161039775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{499}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 288176000

約数和(自身を除く): 127136225

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 331, 499, 975, 993, 1497, 1655, 2495, 4303, 4965, 6487, 7485, 8275, 12475, 12909, 19461, 21515, 24825, 32435, 37425, 64545, 97305, 107575, 162175, 165169, 322725, 486525, 495507, 825845, 2147197, 2477535, 4129225, 6441591, 10735985, 12387675, 32207955, 53679925, 161039775]

約数ペア:

[(1, 161039775), (3, 53679925), (5, 32207955), (13, 12387675), (15, 10735985), (25, 6441591), (39, 4129225), (65, 2477535), (75, 2147197), (195, 825845), (325, 495507), (331, 486525), (499, 322725), (975, 165169), (993, 162175), (1497, 107575), (1655, 97305), (2495, 64545), (4303, 37425), (4965, 32435), (6487, 24825), (7485, 21515), (8275, 19461), (12475, 12909)]