12437217

素因数分解:

$3^2\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:99

約数の個数: 48

約数和(自身を含む): 21162960

約数和(自身を除く): 8725743

約数列:

[1, 3, 9, 13, 17, 37, 39, 51, 111, 117, 153, 169, 221, 333, 481, 507, 629, 663, 1443, 1521, 1887, 1989, 2197, 2873, 4329, 5661, 6253, 6591, 8177, 8619, 18759, 19773, 24531, 25857, 37349, 56277, 73593, 81289, 106301, 112047, 243867, 318903, 336141, 731601, 956709, 1381913, 4145739, 12437217]

約数ペア:

[(1, 12437217), (3, 4145739), (9, 1381913), (13, 956709), (17, 731601), (37, 336141), (39, 318903), (51, 243867), (111, 112047), (117, 106301), (153, 81289), (169, 73593), (221, 56277), (333, 37349), (481, 25857), (507, 24531), (629, 19773), (663, 18759), (1443, 8619), (1521, 8177), (1887, 6591), (1989, 6253), (2197, 5661), (2873, 4329)]