3951855

素因数分解:

$3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:488

約数の個数: 32

約数和(自身を含む): 7139520

約数和(自身を除く): 3187665

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 135, 219, 365, 401, 657, 1095, 1203, 1971, 2005, 3285, 3609, 6015, 9855, 10827, 18045, 29273, 54135, 87819, 146365, 263457, 439095, 790371, 1317285, 3951855]

約数ペア:

[(1, 3951855), (3, 1317285), (5, 790371), (9, 439095), (15, 263457), (27, 146365), (45, 87819), (73, 54135), (135, 29273), (219, 18045), (365, 10827), (401, 9855), (657, 6015), (1095, 3609), (1203, 3285), (1971, 2005)]