13557957

素因数分解:

$3^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{619}}^1$

素因数の和:785

約数の個数: 24

約数和(自身を含む): 21204000

約数和(自身を除く): 7646043

約数列:

[1, 3, 7, 21, 49, 147, 149, 447, 619, 1043, 1857, 3129, 4333, 7301, 12999, 21903, 30331, 90993, 92231, 276693, 645617, 1936851, 4519319, 13557957]

約数ペア:

[(1, 13557957), (3, 4519319), (7, 1936851), (21, 645617), (49, 276693), (147, 92231), (149, 90993), (447, 30331), (619, 21903), (1043, 12999), (1857, 7301), (3129, 4333)]