31409145

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{30347}}^1$

素因数の和:30381

約数の個数: 24

約数和(自身を含む): 56811456

約数和(自身を除く): 25402311

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 30347, 91041, 151735, 273123, 455205, 697981, 1365615, 2093943, 3489905, 6281829, 10469715, 31409145]

約数ペア:

[(1, 31409145), (3, 10469715), (5, 6281829), (9, 3489905), (15, 2093943), (23, 1365615), (45, 697981), (69, 455205), (115, 273123), (207, 151735), (345, 91041), (1035, 30347)]