90628305

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1979}}^1$

素因数の和:2101

約数の個数: 32

約数和(自身を含む): 150543360

約数和(自身を除く): 59915055

約数列:

[1, 3, 5, 15, 43, 71, 129, 213, 215, 355, 645, 1065, 1979, 3053, 5937, 9159, 9895, 15265, 29685, 45795, 85097, 140509, 255291, 421527, 425485, 702545, 1276455, 2107635, 6041887, 18125661, 30209435, 90628305]

約数ペア:

[(1, 90628305), (3, 30209435), (5, 18125661), (15, 6041887), (43, 2107635), (71, 1276455), (129, 702545), (213, 425485), (215, 421527), (355, 255291), (645, 140509), (1065, 85097), (1979, 45795), (3053, 29685), (5937, 15265), (9159, 9895)]