12986667

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{661}}^1$

素因数の和:763

約数の個数: 24

約数和(自身を含む): 19621680

約数和(自身を除く): 6635013

約数列:

[1, 3, 9, 37, 59, 111, 177, 333, 531, 661, 1983, 2183, 5949, 6549, 19647, 24457, 38999, 73371, 116997, 220113, 350991, 1442963, 4328889, 12986667]

約数ペア:

[(1, 12986667), (3, 4328889), (9, 1442963), (37, 350991), (59, 220113), (111, 116997), (177, 73371), (333, 38999), (531, 24457), (661, 19647), (1983, 6549), (2183, 5949)]