397355847

素因数分解:

$3^1\times 7^2\times {\mathrm{2703101}}^1$

素因数の和:2703118

約数の個数: 12

約数和(自身を含む): 616307256

約数和(自身を除く): 218951409

約数列:

[1, 3, 7, 21, 49, 147, 2703101, 8109303, 18921707, 56765121, 132451949, 397355847]

約数ペア:

[(1, 397355847), (3, 132451949), (7, 56765121), (21, 18921707), (49, 8109303), (147, 2703101)]