64927725

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 110885760

約数和(自身を除く): 45958035

約数列:

[1, 3, 5, 15, 25, 71, 75, 89, 137, 213, 267, 355, 411, 445, 685, 1065, 1335, 1775, 2055, 2225, 3425, 5325, 6319, 6675, 9727, 10275, 12193, 18957, 29181, 31595, 36579, 48635, 60965, 94785, 145905, 157975, 182895, 243175, 304825, 473925, 729525, 865703, 914475, 2597109, 4328515, 12985545, 21642575, 64927725]

約数ペア:

[(1, 64927725), (3, 21642575), (5, 12985545), (15, 4328515), (25, 2597109), (71, 914475), (75, 865703), (89, 729525), (137, 473925), (213, 304825), (267, 243175), (355, 182895), (411, 157975), (445, 145905), (685, 94785), (1065, 60965), (1335, 48635), (1775, 36579), (2055, 31595), (2225, 29181), (3425, 18957), (5325, 12193), (6319, 10275), (6675, 9727)]