42390915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{829}}^1$

素因数の和:1331

約数の個数: 32

約数和(自身を含む): 77767680

約数和(自身を除く): 35376765

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 487, 829, 1461, 2435, 2487, 3409, 4145, 5803, 7305, 10227, 12435, 17045, 17409, 29015, 51135, 87045, 403723, 1211169, 2018615, 2826061, 6055845, 8478183, 14130305, 42390915]

約数ペア:

[(1, 42390915), (3, 14130305), (5, 8478183), (7, 6055845), (15, 2826061), (21, 2018615), (35, 1211169), (105, 403723), (487, 87045), (829, 51135), (1461, 29015), (2435, 17409), (2487, 17045), (3409, 12435), (4145, 10227), (5803, 7305)]