77663925

素因数分解:

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

素因数の和:563

約数の個数: 72

約数和(自身を含む): 150689760

約数和(自身を除く): 73025835

約数列:

[1, 3, 5, 9, 15, 19, 25, 37, 45, 57, 75, 95, 111, 171, 185, 225, 285, 333, 475, 491, 555, 703, 855, 925, 1425, 1473, 1665, 2109, 2455, 2775, 3515, 4275, 4419, 6327, 7365, 8325, 9329, 10545, 12275, 17575, 18167, 22095, 27987, 31635, 36825, 46645, 52725, 54501, 83961, 90835, 110475, 139935, 158175, 163503, 233225, 272505, 345173, 419805, 454175, 699675, 817515, 1035519, 1362525, 1725865, 2099025, 3106557, 4087575, 5177595, 8629325, 15532785, 25887975, 77663925]

約数ペア:

[(1, 77663925), (3, 25887975), (5, 15532785), (9, 8629325), (15, 5177595), (19, 4087575), (25, 3106557), (37, 2099025), (45, 1725865), (57, 1362525), (75, 1035519), (95, 817515), (111, 699675), (171, 454175), (185, 419805), (225, 345173), (285, 272505), (333, 233225), (475, 163503), (491, 158175), (555, 139935), (703, 110475), (855, 90835), (925, 83961), (1425, 54501), (1473, 52725), (1665, 46645), (2109, 36825), (2455, 31635), (2775, 27987), (3515, 22095), (4275, 18167), (4419, 17575), (6327, 12275), (7365, 10545), (8325, 9329)]