399331386

素因数分解:

$2^1\times 3^2\times {\mathrm{22185077}}^1$

素因数の和:22185085

約数の個数: 12

約数和(自身を含む): 865218042

約数和(自身を除く): 465886656

約数列:

[1, 2, 3, 6, 9, 18, 22185077, 44370154, 66555231, 133110462, 199665693, 399331386]

約数ペア:

[(1, 399331386), (2, 199665693), (3, 133110462), (6, 66555231), (9, 44370154), (18, 22185077)]