156561255

素因数分解:

$3^5\times 5^1\times {\mathrm{128857}}^1$

素因数の和:128877

約数の個数: 24

約数和(自身を含む): 281425872

約数和(自身を除く): 124864617

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 128857, 386571, 644285, 1159713, 1932855, 3479139, 5798565, 10437417, 17395695, 31312251, 52187085, 156561255]

約数ペア:

[(1, 156561255), (3, 52187085), (5, 31312251), (9, 17395695), (15, 10437417), (27, 5798565), (45, 3479139), (81, 1932855), (135, 1159713), (243, 644285), (405, 386571), (1215, 128857)]