135120321

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{22111}}^1$

素因数の和:22221

約数の個数: 24

約数和(自身を含む): 225365504

約数和(自身を除く): 90245183

約数列:

[1, 3, 7, 9, 21, 63, 97, 291, 679, 873, 2037, 6111, 22111, 66333, 154777, 198999, 464331, 1392993, 2144767, 6434301, 15013369, 19302903, 45040107, 135120321]

約数ペア:

[(1, 135120321), (3, 45040107), (7, 19302903), (9, 15013369), (21, 6434301), (63, 2144767), (97, 1392993), (291, 464331), (679, 198999), (873, 154777), (2037, 66333), (6111, 22111)]