31487757

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{457}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 51178752

約数和(自身を除く): 19690995

約数列:

[1, 3, 7, 17, 21, 51, 119, 193, 357, 457, 579, 1351, 1371, 3199, 3281, 4053, 7769, 9597, 9843, 22967, 23307, 54383, 68901, 88201, 163149, 264603, 617407, 1499417, 1852221, 4498251, 10495919, 31487757]

約数ペア:

[(1, 31487757), (3, 10495919), (7, 4498251), (17, 1852221), (21, 1499417), (51, 617407), (119, 264603), (193, 163149), (357, 88201), (457, 68901), (579, 54383), (1351, 23307), (1371, 22967), (3199, 9843), (3281, 9597), (4053, 7769)]