31817907

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{719}}^1$

素因数の和:888

約数の個数: 32

約数和(自身を含む): 51840000

約数和(自身を除く): 20022093

約数列:

[1, 3, 9, 11, 27, 33, 99, 149, 297, 447, 719, 1341, 1639, 2157, 4023, 4917, 6471, 7909, 14751, 19413, 23727, 44253, 71181, 107131, 213543, 321393, 964179, 1178441, 2892537, 3535323, 10605969, 31817907]

約数ペア:

[(1, 31817907), (3, 10605969), (9, 3535323), (11, 2892537), (27, 1178441), (33, 964179), (99, 321393), (149, 213543), (297, 107131), (447, 71181), (719, 44253), (1341, 23727), (1639, 19413), (2157, 14751), (4023, 7909), (4917, 6471)]