208031655

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{17489}}^1$

素因数の和:17571

約数の個数: 32

約数和(自身を含む): 364351680

約数和(自身を除く): 156320025

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 183, 195, 305, 793, 915, 2379, 3965, 11895, 17489, 52467, 87445, 227357, 262335, 682071, 1066829, 1136785, 3200487, 3410355, 5334145, 13868777, 16002435, 41606331, 69343885, 208031655]

約数ペア:

[(1, 208031655), (3, 69343885), (5, 41606331), (13, 16002435), (15, 13868777), (39, 5334145), (61, 3410355), (65, 3200487), (183, 1136785), (195, 1066829), (305, 682071), (793, 262335), (915, 227357), (2379, 87445), (3965, 52467), (11895, 17489)]