207950421

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{521179}}^1$

素因数の和:521208

約数の個数: 16

約数和(自身を含む): 333555200

約数和(自身を除く): 125604779

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 521179, 1563537, 3648253, 9902401, 10944759, 29707203, 69316807, 207950421]

約数ペア:

[(1, 207950421), (3, 69316807), (7, 29707203), (19, 10944759), (21, 9902401), (57, 3648253), (133, 1563537), (399, 521179)]