15203960247

素因数分解:

$3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1309219}}^1$

素因数の和:1309315

約数の個数: 24

約数和(自身を含む): 23880172800

約数和(自身を除く): 8676212553

約数列:

[1, 3, 7, 21, 49, 79, 147, 237, 553, 1659, 3871, 11613, 1309219, 3927657, 9164533, 27493599, 64151731, 103428301, 192455193, 310284903, 723998107, 2171994321, 5067986749, 15203960247]

約数ペア:

[(1, 15203960247), (3, 5067986749), (7, 2171994321), (21, 723998107), (49, 310284903), (79, 192455193), (147, 103428301), (237, 64151731), (553, 27493599), (1659, 9164533), (3871, 3927657), (11613, 1309219)]