87137775

素因数分解:

$3^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1163}}^1$

素因数の和:1222

約数の個数: 60

約数和(自身を含む): 165914232

約数和(自身を除く): 78776457

約数列:

[1, 3, 5, 9, 15, 25, 27, 37, 45, 75, 81, 111, 135, 185, 225, 333, 405, 555, 675, 925, 999, 1163, 1665, 2025, 2775, 2997, 3489, 4995, 5815, 8325, 10467, 14985, 17445, 24975, 29075, 31401, 43031, 52335, 74925, 87225, 94203, 129093, 157005, 215155, 261675, 387279, 471015, 645465, 785025, 1075775, 1161837, 1936395, 2355075, 3227325, 3485511, 5809185, 9681975, 17427555, 29045925, 87137775]

約数ペア:

[(1, 87137775), (3, 29045925), (5, 17427555), (9, 9681975), (15, 5809185), (25, 3485511), (27, 3227325), (37, 2355075), (45, 1936395), (75, 1161837), (81, 1075775), (111, 785025), (135, 645465), (185, 471015), (225, 387279), (333, 261675), (405, 215155), (555, 157005), (675, 129093), (925, 94203), (999, 87225), (1163, 74925), (1665, 52335), (2025, 43031), (2775, 31401), (2997, 29075), (3489, 24975), (4995, 17445), (5815, 14985), (8325, 10467)]