388519209

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{7669}}^1$

素因数の和:8121

約数の個数: 24

約数和(自身を含む): 605837960

約数和(自身を除く): 217318751

約数列:

[1, 3, 9, 13, 39, 117, 433, 1299, 3897, 5629, 7669, 16887, 23007, 50661, 69021, 99697, 299091, 897273, 3320677, 9962031, 29886093, 43168801, 129506403, 388519209]

約数ペア:

[(1, 388519209), (3, 129506403), (9, 43168801), (13, 29886093), (39, 9962031), (117, 3320677), (433, 897273), (1299, 299091), (3897, 99697), (5629, 69021), (7669, 50661), (16887, 23007)]