72640911

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{659}}^1$

素因数の和:879

約数の個数: 32

約数和(自身を含む): 115315200

約数和(自身を除く): 42674289

約数列:

[1, 3, 7, 21, 29, 87, 181, 203, 543, 609, 659, 1267, 1977, 3801, 4613, 5249, 13839, 15747, 19111, 36743, 57333, 110229, 119279, 133777, 357837, 401331, 834953, 2504859, 3459091, 10377273, 24213637, 72640911]

約数ペア:

[(1, 72640911), (3, 24213637), (7, 10377273), (21, 3459091), (29, 2504859), (87, 834953), (181, 401331), (203, 357837), (543, 133777), (609, 119279), (659, 110229), (1267, 57333), (1977, 36743), (3801, 19111), (4613, 15747), (5249, 13839)]