17868615

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{887}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 30689280

約数和(自身を除く): 12820665

約数列:

[1, 3, 5, 15, 17, 51, 79, 85, 237, 255, 395, 887, 1185, 1343, 2661, 4029, 4435, 6715, 13305, 15079, 20145, 45237, 70073, 75395, 210219, 226185, 350365, 1051095, 1191241, 3573723, 5956205, 17868615]

約数ペア:

[(1, 17868615), (3, 5956205), (5, 3573723), (15, 1191241), (17, 1051095), (51, 350365), (79, 226185), (85, 210219), (237, 75395), (255, 70073), (395, 45237), (887, 20145), (1185, 15079), (1343, 13305), (2661, 6715), (4029, 4435)]