56172555

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 105984000

約数和(自身を除く): 49811445

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 79, 115, 135, 207, 229, 237, 345, 395, 621, 687, 711, 1035, 1145, 1185, 1817, 2061, 2133, 3105, 3435, 3555, 5267, 5451, 6183, 9085, 10305, 10665, 15801, 16353, 18091, 26335, 27255, 30915, 47403, 49059, 54273, 79005, 81765, 90455, 142209, 162819, 237015, 245295, 271365, 416093, 488457, 711045, 814095, 1248279, 2080465, 2442285, 3744837, 6241395, 11234511, 18724185, 56172555]

約数ペア:

[(1, 56172555), (3, 18724185), (5, 11234511), (9, 6241395), (15, 3744837), (23, 2442285), (27, 2080465), (45, 1248279), (69, 814095), (79, 711045), (115, 488457), (135, 416093), (207, 271365), (229, 245295), (237, 237015), (345, 162819), (395, 142209), (621, 90455), (687, 81765), (711, 79005), (1035, 54273), (1145, 49059), (1185, 47403), (1817, 30915), (2061, 27255), (2133, 26335), (3105, 18091), (3435, 16353), (3555, 15801), (5267, 10665), (5451, 10305), (6183, 9085)]