42031521

素因数分解:

$3^3\times 7^1\times {\mathrm{222389}}^1$

素因数の和:222405

約数の個数: 16

約数和(自身を含む): 71164800

約数和(自身を除く): 29133279

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 222389, 667167, 1556723, 2001501, 4670169, 6004503, 14010507, 42031521]

約数ペア:

[(1, 42031521), (3, 14010507), (7, 6004503), (9, 4670169), (21, 2001501), (27, 1556723), (63, 667167), (189, 222389)]