214908993

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{23251}}^1$

素因数の和:23349

約数の個数: 24

約数和(自身を含む): 338549120

約数和(自身を除く): 123640127

約数列:

[1, 3, 9, 13, 39, 79, 117, 237, 711, 1027, 3081, 9243, 23251, 69753, 209259, 302263, 906789, 1836829, 2720367, 5510487, 16531461, 23878777, 71636331, 214908993]

約数ペア:

[(1, 214908993), (3, 71636331), (9, 23878777), (13, 16531461), (39, 5510487), (79, 2720367), (117, 1836829), (237, 906789), (711, 302263), (1027, 209259), (3081, 69753), (9243, 23251)]