2620905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 4857600

約数和(自身を除く): 2236695

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 109, 229, 327, 545, 687, 763, 1145, 1603, 1635, 2289, 3435, 3815, 4809, 8015, 11445, 24045, 24961, 74883, 124805, 174727, 374415, 524181, 873635, 2620905]

約数ペア:

[(1, 2620905), (3, 873635), (5, 524181), (7, 374415), (15, 174727), (21, 124805), (35, 74883), (105, 24961), (109, 24045), (229, 11445), (327, 8015), (545, 4809), (687, 3815), (763, 3435), (1145, 2289), (1603, 1635)]