20171378997

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{2131}}^1$

素因数の和:2344

約数の個数: 128

約数和(自身を含む): 38805811200

約数和(自身を除く): 18634432203

約数列:

[1, 3, 7, 9, 11, 21, 27, 29, 33, 63, 77, 87, 99, 157, 189, 203, 231, 261, 297, 319, 471, 609, 693, 783, 957, 1099, 1413, 1727, 1827, 2079, 2131, 2233, 2871, 3297, 4239, 4553, 5181, 5481, 6393, 6699, 8613, 9891, 12089, 13659, 14917, 15543, 19179, 20097, 23441, 29673, 31871, 36267, 40977, 44751, 46629, 50083, 57537, 60291, 61799, 70323, 95613, 108801, 122931, 134253, 150249, 164087, 185397, 210969, 286839, 326403, 334567, 350581, 402759, 432593, 450747, 492261, 556191, 632907, 679789, 860517, 1003701, 1051743, 1297779, 1352241, 1476783, 1668573, 2039367, 2341969, 3011103, 3155229, 3680237, 3893337, 4430349, 4758523, 6118101, 7025907, 9033309, 9465687, 9702443, 11040711, 11680011, 14275569, 18354303, 21077721, 25761659, 29107329, 33122133, 42826707, 63233163, 67917101, 77284977, 87321987, 99366399, 106726873, 128480121, 203751303, 231854931, 261965961, 320180619, 611253909, 695564793, 747088111, 960541857, 1833761727, 2241264333, 2881625571, 6723792999, 20171378997]

約数ペア:

[(1, 20171378997), (3, 6723792999), (7, 2881625571), (9, 2241264333), (11, 1833761727), (21, 960541857), (27, 747088111), (29, 695564793), (33, 611253909), (63, 320180619), (77, 261965961), (87, 231854931), (99, 203751303), (157, 128480121), (189, 106726873), (203, 99366399), (231, 87321987), (261, 77284977), (297, 67917101), (319, 63233163), (471, 42826707), (609, 33122133), (693, 29107329), (783, 25761659), (957, 21077721), (1099, 18354303), (1413, 14275569), (1727, 11680011), (1827, 11040711), (2079, 9702443), (2131, 9465687), (2233, 9033309), (2871, 7025907), (3297, 6118101), (4239, 4758523), (4553, 4430349), (5181, 3893337), (5481, 3680237), (6393, 3155229), (6699, 3011103), (8613, 2341969), (9891, 2039367), (12089, 1668573), (13659, 1476783), (14917, 1352241), (15543, 1297779), (19179, 1051743), (20097, 1003701), (23441, 860517), (29673, 679789), (31871, 632907), (36267, 556191), (40977, 492261), (44751, 450747), (46629, 432593), (50083, 402759), (57537, 350581), (60291, 334567), (61799, 326403), (70323, 286839), (95613, 210969), (108801, 185397), (122931, 164087), (134253, 150249)]