77777375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2081}}^1$

素因数の和:2132

約数の個数: 32

約数和(自身を含む): 109130112

約数和(自身を除く): 31352737

約数列:

[1, 5, 13, 23, 25, 65, 115, 125, 299, 325, 575, 1495, 1625, 2081, 2875, 7475, 10405, 27053, 37375, 47863, 52025, 135265, 239315, 260125, 622219, 676325, 1196575, 3111095, 3381625, 5982875, 15555475, 77777375]

約数ペア:

[(1, 77777375), (5, 15555475), (13, 5982875), (23, 3381625), (25, 3111095), (65, 1196575), (115, 676325), (125, 622219), (299, 260125), (325, 239315), (575, 135265), (1495, 52025), (1625, 47863), (2081, 37375), (2875, 27053), (7475, 10405)]