28518735

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 55756800

約数和(自身を除く): 27238065

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 49, 69, 105, 115, 147, 161, 241, 245, 343, 345, 483, 723, 735, 805, 1029, 1127, 1205, 1687, 1715, 2415, 3381, 3615, 5061, 5145, 5543, 5635, 7889, 8435, 11809, 16629, 16905, 23667, 25305, 27715, 35427, 38801, 39445, 59045, 82663, 83145, 116403, 118335, 177135, 194005, 247989, 271607, 413315, 582015, 814821, 1239945, 1358035, 1901249, 4074105, 5703747, 9506245, 28518735]

約数ペア:

[(1, 28518735), (3, 9506245), (5, 5703747), (7, 4074105), (15, 1901249), (21, 1358035), (23, 1239945), (35, 814821), (49, 582015), (69, 413315), (105, 271607), (115, 247989), (147, 194005), (161, 177135), (241, 118335), (245, 116403), (343, 83145), (345, 82663), (483, 59045), (723, 39445), (735, 38801), (805, 35427), (1029, 27715), (1127, 25305), (1205, 23667), (1687, 16905), (1715, 16629), (2415, 11809), (3381, 8435), (3615, 7889), (5061, 5635), (5145, 5543)]