3991965

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{6491}}^1$

素因数の和:6540

約数の個数: 16

約数和(自身を含む): 6543936

約数和(自身を除く): 2551971

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 6491, 19473, 32455, 97365, 266131, 798393, 1330655, 3991965]

約数ペア:

[(1, 3991965), (3, 1330655), (5, 798393), (15, 266131), (41, 97365), (123, 32455), (205, 19473), (615, 6491)]