218560185

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{112951}}^1$

素因数の和:113005

約数の個数: 24

約数和(自身を含む): 387651264

約数和(自身を除く): 169091079

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 112951, 338853, 564755, 1016559, 1694265, 4856893, 5082795, 14570679, 24284465, 43712037, 72853395, 218560185]

約数ペア:

[(1, 218560185), (3, 72853395), (5, 43712037), (9, 24284465), (15, 14570679), (43, 5082795), (45, 4856893), (129, 1694265), (215, 1016559), (387, 564755), (645, 338853), (1935, 112951)]