25887975

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 46366080

約数和(自身を除く): 20478105

約数列:

[1, 3, 5, 15, 19, 25, 37, 57, 75, 95, 111, 185, 285, 475, 491, 555, 703, 925, 1425, 1473, 2109, 2455, 2775, 3515, 7365, 9329, 10545, 12275, 17575, 18167, 27987, 36825, 46645, 52725, 54501, 90835, 139935, 233225, 272505, 345173, 454175, 699675, 1035519, 1362525, 1725865, 5177595, 8629325, 25887975]

約数ペア:

[(1, 25887975), (3, 8629325), (5, 5177595), (15, 1725865), (19, 1362525), (25, 1035519), (37, 699675), (57, 454175), (75, 345173), (95, 272505), (111, 233225), (185, 139935), (285, 90835), (475, 54501), (491, 52725), (555, 46645), (703, 36825), (925, 27987), (1425, 18167), (1473, 17575), (2109, 12275), (2455, 10545), (2775, 9329), (3515, 7365)]