1207909917

素因数分解:

$3^2\times {\mathrm{47}}^2\times {\mathrm{60757}}^1$

素因数の和:60857

約数の個数: 18

約数和(自身を含む): 1782700478

約数和(自身を除く): 574790561

約数列:

[1, 3, 9, 47, 141, 423, 2209, 6627, 19881, 60757, 182271, 546813, 2855579, 8566737, 25700211, 134212213, 402636639, 1207909917]

約数ペア:

[(1, 1207909917), (3, 402636639), (9, 134212213), (47, 25700211), (141, 8566737), (423, 2855579), (2209, 546813), (6627, 182271), (19881, 60757)]