28397061

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:216

約数の個数: 80

約数和(自身を含む): 55059840

約数和(自身を除く): 26662779

約数列:

[1, 3, 7, 9, 11, 21, 27, 29, 33, 63, 77, 81, 87, 99, 157, 189, 203, 231, 261, 297, 319, 471, 567, 609, 693, 783, 891, 957, 1099, 1413, 1727, 1827, 2079, 2233, 2349, 2871, 3297, 4239, 4553, 5181, 5481, 6237, 6699, 8613, 9891, 12089, 12717, 13659, 15543, 16443, 20097, 25839, 29673, 31871, 36267, 40977, 46629, 50083, 60291, 89019, 95613, 108801, 122931, 139887, 150249, 180873, 286839, 326403, 350581, 368793, 450747, 860517, 979209, 1051743, 1352241, 2581551, 3155229, 4056723, 9465687, 28397061]

約数ペア:

[(1, 28397061), (3, 9465687), (7, 4056723), (9, 3155229), (11, 2581551), (21, 1352241), (27, 1051743), (29, 979209), (33, 860517), (63, 450747), (77, 368793), (81, 350581), (87, 326403), (99, 286839), (157, 180873), (189, 150249), (203, 139887), (231, 122931), (261, 108801), (297, 95613), (319, 89019), (471, 60291), (567, 50083), (609, 46629), (693, 40977), (783, 36267), (891, 31871), (957, 29673), (1099, 25839), (1413, 20097), (1727, 16443), (1827, 15543), (2079, 13659), (2233, 12717), (2349, 12089), (2871, 9891), (3297, 8613), (4239, 6699), (4553, 6237), (5181, 5481)]