145385721

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{4241}}^1$

素因数の和:4553

約数の個数: 24

約数和(自身を含む): 226980936

約数和(自身を除く): 81595215

約数列:

[1, 3, 9, 13, 39, 117, 293, 879, 2637, 3809, 4241, 11427, 12723, 34281, 38169, 55133, 165399, 496197, 1242613, 3727839, 11183517, 16153969, 48461907, 145385721]

約数ペア:

[(1, 145385721), (3, 48461907), (9, 16153969), (13, 11183517), (39, 3727839), (117, 1242613), (293, 496197), (879, 165399), (2637, 55133), (3809, 38169), (4241, 34281), (11427, 12723)]