12485421

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:263

約数の個数: 40

約数和(自身を含む): 20490624

約数和(自身を除く): 8005203

約数列:

[1, 3, 9, 13, 27, 39, 71, 81, 117, 167, 213, 351, 501, 639, 923, 1053, 1503, 1917, 2171, 2769, 4509, 5751, 6513, 8307, 11857, 13527, 19539, 24921, 35571, 58617, 74763, 106713, 154141, 175851, 320139, 462423, 960417, 1387269, 4161807, 12485421]

約数ペア:

[(1, 12485421), (3, 4161807), (9, 1387269), (13, 960417), (27, 462423), (39, 320139), (71, 175851), (81, 154141), (117, 106713), (167, 74763), (213, 58617), (351, 35571), (501, 24921), (639, 19539), (923, 13527), (1053, 11857), (1503, 8307), (1917, 6513), (2171, 5751), (2769, 4509)]