26581503

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:188

約数の個数: 32

約数和(自身を含む): 39793600

約数和(自身を除く): 13212097

約数列:

[1, 3, 13, 37, 39, 109, 111, 169, 327, 481, 507, 1417, 1443, 2197, 4033, 4251, 6253, 6591, 12099, 18421, 18759, 52429, 55263, 81289, 157287, 239473, 243867, 681577, 718419, 2044731, 8860501, 26581503]

約数ペア:

[(1, 26581503), (3, 8860501), (13, 2044731), (37, 718419), (39, 681577), (109, 243867), (111, 239473), (169, 157287), (327, 81289), (481, 55263), (507, 52429), (1417, 18759), (1443, 18421), (2197, 12099), (4033, 6591), (4251, 6253)]