30085263

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{28571}}^1$

素因数の和:28596

約数の個数: 20

約数和(自身を含む): 48400968

約数和(自身を除く): 18315705

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 28571, 85713, 257139, 371423, 771417, 1114269, 2314251, 3342807, 10028421, 30085263]

約数ペア:

[(1, 30085263), (3, 10028421), (9, 3342807), (13, 2314251), (27, 1114269), (39, 771417), (81, 371423), (117, 257139), (351, 85713), (1053, 28571)]