76981815

素因数分解:

$3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{15139}}^1$

素因数の和:15263

約数の個数: 24

約数和(自身を含む): 134624880

約数和(自身を除く): 57643065

約数列:

[1, 3, 5, 9, 15, 45, 113, 339, 565, 1017, 1695, 5085, 15139, 45417, 75695, 136251, 227085, 681255, 1710707, 5132121, 8553535, 15396363, 25660605, 76981815]

約数ペア:

[(1, 76981815), (3, 25660605), (5, 15396363), (9, 8553535), (15, 5132121), (45, 1710707), (113, 681255), (339, 227085), (565, 136251), (1017, 75695), (1695, 45417), (5085, 15139)]