31004379

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{28949}}^1$

素因数の和:28979

約数の個数: 24

約数和(自身を含む): 54194400

約数和(自身を除く): 23190021

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 28949, 86847, 202643, 260541, 492133, 607929, 1476399, 1823787, 3444931, 4429197, 10334793, 31004379]

約数ペア:

[(1, 31004379), (3, 10334793), (7, 4429197), (9, 3444931), (17, 1823787), (21, 1476399), (51, 607929), (63, 492133), (119, 260541), (153, 202643), (357, 86847), (1071, 28949)]