27731403

素因数分解:

$3^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 51538032

約数和(自身を除く): 23806629

約数列:

[1, 3, 7, 9, 17, 21, 27, 49, 51, 63, 81, 119, 137, 147, 153, 189, 243, 357, 411, 441, 459, 567, 833, 959, 1071, 1233, 1323, 1377, 1701, 2329, 2499, 2877, 3213, 3699, 3969, 4131, 6713, 6987, 7497, 8631, 9639, 11097, 11907, 16303, 20139, 20961, 22491, 25893, 28917, 33291, 48909, 60417, 62883, 67473, 77679, 114121, 146727, 181251, 188649, 202419, 233037, 342363, 440181, 543753, 565947, 1027089, 1320543, 1631259, 3081267, 3961629, 9243801, 27731403]

約数ペア:

[(1, 27731403), (3, 9243801), (7, 3961629), (9, 3081267), (17, 1631259), (21, 1320543), (27, 1027089), (49, 565947), (51, 543753), (63, 440181), (81, 342363), (119, 233037), (137, 202419), (147, 188649), (153, 181251), (189, 146727), (243, 114121), (357, 77679), (411, 67473), (441, 62883), (459, 60417), (567, 48909), (833, 33291), (959, 28917), (1071, 25893), (1233, 22491), (1323, 20961), (1377, 20139), (1701, 16303), (2329, 11907), (2499, 11097), (2877, 9639), (3213, 8631), (3699, 7497), (3969, 6987), (4131, 6713)]