72142575

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{809}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 126554400

約数和(自身を除く): 54411825

約数列:

[1, 3, 5, 15, 25, 29, 41, 75, 87, 123, 145, 205, 435, 615, 725, 809, 1025, 1189, 2175, 2427, 3075, 3567, 4045, 5945, 12135, 17835, 20225, 23461, 29725, 33169, 60675, 70383, 89175, 99507, 117305, 165845, 351915, 497535, 586525, 829225, 961901, 1759575, 2487675, 2885703, 4809505, 14428515, 24047525, 72142575]

約数ペア:

[(1, 72142575), (3, 24047525), (5, 14428515), (15, 4809505), (25, 2885703), (29, 2487675), (41, 1759575), (75, 961901), (87, 829225), (123, 586525), (145, 497535), (205, 351915), (435, 165845), (615, 117305), (725, 99507), (809, 89175), (1025, 70383), (1189, 60675), (2175, 33169), (2427, 29725), (3075, 23461), (3567, 20225), (4045, 17835), (5945, 12135)]