31391217

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{24391}}^1$

素因数の和:24421

約数の個数: 24

約数和(自身を含む): 53272128

約数和(自身を除く): 21880911

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 24391, 73173, 219519, 268301, 317083, 804903, 951249, 2414709, 2853747, 3487913, 10463739, 31391217]

約数ペア:

[(1, 31391217), (3, 10463739), (9, 3487913), (11, 2853747), (13, 2414709), (33, 951249), (39, 804903), (99, 317083), (117, 268301), (143, 219519), (429, 73173), (1287, 24391)]