12907017

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:397

約数の個数: 24

約数和(自身を含む): 19219200

約数和(自身を除く): 6312183

約数列:

[1, 3, 9, 59, 109, 177, 223, 327, 531, 669, 981, 2007, 6431, 13157, 19293, 24307, 39471, 57879, 72921, 118413, 218763, 1434113, 4302339, 12907017]

約数ペア:

[(1, 12907017), (3, 4302339), (9, 1434113), (59, 218763), (109, 118413), (177, 72921), (223, 57879), (327, 39471), (531, 24307), (669, 19293), (981, 13157), (2007, 6431)]