81315315

素因数分解:

$3^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{5119}}^1$

素因数の和:5483

約数の個数: 24

約数和(自身を含む): 141373440

約数和(自身を除く): 60058125

約数列:

[1, 3, 5, 9, 15, 45, 353, 1059, 1765, 3177, 5119, 5295, 15357, 15885, 25595, 46071, 76785, 230355, 1807007, 5421021, 9035035, 16263063, 27105105, 81315315]

約数ペア:

[(1, 81315315), (3, 27105105), (5, 16263063), (9, 9035035), (15, 5421021), (45, 1807007), (353, 230355), (1059, 76785), (1765, 46071), (3177, 25595), (5119, 15885), (5295, 15357)]