861360135

素因数分解:

$3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{140401}}^1$

素因数の和:140818

約数の個数: 16

約数和(自身を含む): 1381555680

約数和(自身を除く): 520195545

約数列:

[1, 3, 5, 15, 409, 1227, 2045, 6135, 140401, 421203, 702005, 2106015, 57424009, 172272027, 287120045, 861360135]

約数ペア:

[(1, 861360135), (3, 287120045), (5, 172272027), (15, 57424009), (409, 2106015), (1227, 702005), (2045, 421203), (6135, 140401)]