217209213

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{601}}^1\times {\mathrm{3089}}^1$

素因数の和:3709

約数の個数: 24

約数和(自身を含む): 338552760

約数和(自身を除く): 121343547

約数列:

[1, 3, 9, 13, 39, 117, 601, 1803, 3089, 5409, 7813, 9267, 23439, 27801, 40157, 70317, 120471, 361413, 1856489, 5569467, 16708401, 24134357, 72403071, 217209213]

約数ペア:

[(1, 217209213), (3, 72403071), (9, 24134357), (13, 16708401), (39, 5569467), (117, 1856489), (601, 361413), (1803, 120471), (3089, 70317), (5409, 40157), (7813, 27801), (9267, 23439)]