81328575

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47147}}^1$

素因数の和:47183

約数の個数: 24

約数和(自身を含む): 140312448

約数和(自身を除く): 58983873

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 47147, 141441, 235735, 707205, 1084381, 1178675, 3253143, 3536025, 5421905, 16265715, 27109525, 81328575]

約数ペア:

[(1, 81328575), (3, 27109525), (5, 16265715), (15, 5421905), (23, 3536025), (25, 3253143), (69, 1178675), (75, 1084381), (115, 707205), (345, 235735), (575, 141441), (1725, 47147)]