105187815

素因数分解:

$3^4\times 5^1\times {\mathrm{259723}}^1$

素因数の和:259740

約数の個数: 20

約数和(自身を含む): 188559624

約数和(自身を除く): 83371809

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 259723, 779169, 1298615, 2337507, 3895845, 7012521, 11687535, 21037563, 35062605, 105187815]

約数ペア:

[(1, 105187815), (3, 35062605), (5, 21037563), (9, 11687535), (15, 7012521), (27, 3895845), (45, 2337507), (81, 1298615), (135, 779169), (405, 259723)]