87221505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{2671}}^1$

素因数の和:2997

約数の個数: 32

約数和(自身を含む): 160063488

約数和(自身を除く): 72841983

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 311, 933, 1555, 2177, 2671, 4665, 6531, 8013, 10885, 13355, 18697, 32655, 40065, 56091, 93485, 280455, 830681, 2492043, 4153405, 5814767, 12460215, 17444301, 29073835, 87221505]

約数ペア:

[(1, 87221505), (3, 29073835), (5, 17444301), (7, 12460215), (15, 5814767), (21, 4153405), (35, 2492043), (105, 830681), (311, 280455), (933, 93485), (1555, 56091), (2177, 40065), (2671, 32655), (4665, 18697), (6531, 13355), (8013, 10885)]