397331493

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{1213}}^1$

素因数の和:1493

約数の個数: 32

約数和(自身を含む): 589013376

約数和(自身を除く): 191681883

約数列:

[1, 3, 13, 37, 39, 111, 227, 481, 681, 1213, 1443, 2951, 3639, 8399, 8853, 15769, 25197, 44881, 47307, 109187, 134643, 275351, 327561, 583453, 826053, 1750359, 3579563, 10187987, 10738689, 30563961, 132443831, 397331493]

約数ペア:

[(1, 397331493), (3, 132443831), (13, 30563961), (37, 10738689), (39, 10187987), (111, 3579563), (227, 1750359), (481, 826053), (681, 583453), (1213, 327561), (1443, 275351), (2951, 134643), (3639, 109187), (8399, 47307), (8853, 44881), (15769, 25197)]