1490227557

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{15641}}^1$

素因数の和:16013

約数の個数: 32

約数和(自身を含む): 2452665600

約数和(自身を除く): 962438043

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 349, 1047, 2443, 4537, 7329, 13611, 15641, 31759, 46923, 95277, 109487, 203333, 328461, 609999, 1423331, 4269993, 5458709, 16376127, 38210963, 70963217, 114632889, 212889651, 496742519, 1490227557]

約数ペア:

[(1, 1490227557), (3, 496742519), (7, 212889651), (13, 114632889), (21, 70963217), (39, 38210963), (91, 16376127), (273, 5458709), (349, 4269993), (1047, 1423331), (2443, 609999), (4537, 328461), (7329, 203333), (13611, 109487), (15641, 95277), (31759, 46923)]