9947895921

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{443}}^1\times {\mathrm{40903}}^1$

素因数の和:41413

約数の個数: 24

約数和(自身を含む): 14638069056

約数和(自身を除く): 4690173135

約数列:

[1, 3, 9, 61, 183, 443, 549, 1329, 3987, 27023, 40903, 81069, 122709, 243207, 368127, 2495083, 7485249, 18120029, 22455747, 54360087, 163080261, 1105321769, 3315965307, 9947895921]

約数ペア:

[(1, 9947895921), (3, 3315965307), (9, 1105321769), (61, 163080261), (183, 54360087), (443, 22455747), (549, 18120029), (1329, 7485249), (3987, 2495083), (27023, 368127), (40903, 243207), (81069, 122709)]