131445

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:161

約数の個数: 24

約数和(自身を含む): 239616

約数和(自身を除く): 108171

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 127, 207, 345, 381, 635, 1035, 1143, 1905, 2921, 5715, 8763, 14605, 26289, 43815, 131445]

約数ペア:

[(1, 131445), (3, 43815), (5, 26289), (9, 14605), (15, 8763), (23, 5715), (45, 2921), (69, 1905), (115, 1143), (127, 1035), (207, 635), (345, 381)]