21299156625

素因数分解:

$3^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{383}}^1\times {\mathrm{3617}}^1$

素因数の和:4059

約数の個数: 64

約数和(自身を含む): 36411088896

約数和(自身を除く): 15111932271

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 125, 205, 375, 383, 615, 1025, 1149, 1915, 3075, 3617, 5125, 5745, 9575, 10851, 15375, 15703, 18085, 28725, 47109, 47875, 54255, 78515, 90425, 143625, 148297, 235545, 271275, 392575, 444891, 452125, 741485, 1177725, 1356375, 1385311, 1962875, 2224455, 3707425, 4155933, 5888625, 6926555, 11122275, 18537125, 20779665, 34632775, 55611375, 56797751, 103898325, 170393253, 173163875, 283988755, 519491625, 851966265, 1419943775, 4259831325, 7099718875, 21299156625]

約数ペア:

[(1, 21299156625), (3, 7099718875), (5, 4259831325), (15, 1419943775), (25, 851966265), (41, 519491625), (75, 283988755), (123, 173163875), (125, 170393253), (205, 103898325), (375, 56797751), (383, 55611375), (615, 34632775), (1025, 20779665), (1149, 18537125), (1915, 11122275), (3075, 6926555), (3617, 5888625), (5125, 4155933), (5745, 3707425), (9575, 2224455), (10851, 1962875), (15375, 1385311), (15703, 1356375), (18085, 1177725), (28725, 741485), (47109, 452125), (47875, 444891), (54255, 392575), (78515, 271275), (90425, 235545), (143625, 148297)]