25341405

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 42007680

約数和(自身を除く): 16666275

約数列:

[1, 3, 5, 15, 43, 101, 129, 215, 303, 389, 505, 645, 1167, 1515, 1945, 4343, 5835, 13029, 16727, 21715, 39289, 50181, 65145, 83635, 117867, 196445, 250905, 589335, 1689427, 5068281, 8447135, 25341405]

約数ペア:

[(1, 25341405), (3, 8447135), (5, 5068281), (15, 1689427), (43, 589335), (101, 250905), (129, 196445), (215, 117867), (303, 83635), (389, 65145), (505, 50181), (645, 39289), (1167, 21715), (1515, 16727), (1945, 13029), (4343, 5835)]