12815901

素因数分解:

$3^4\times 7^2\times {\mathrm{3229}}^1$

素因数の和:3255

約数の個数: 30

約数和(自身を含む): 22277310

約数和(自身を除く): 9461409

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3229, 3969, 9687, 22603, 29061, 67809, 87183, 158221, 203427, 261549, 474663, 610281, 1423989, 1830843, 4271967, 12815901]

約数ペア:

[(1, 12815901), (3, 4271967), (7, 1830843), (9, 1423989), (21, 610281), (27, 474663), (49, 261549), (63, 203427), (81, 158221), (147, 87183), (189, 67809), (441, 29061), (567, 22603), (1323, 9687), (3229, 3969)]