12186021915

素因数分解:

$3^4\times 5^1\times {\mathrm{30088943}}^1$

素因数の和:30088960

約数の個数: 20

約数和(自身を含む): 21844573344

約数和(自身を除く): 9658551429

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 30088943, 90266829, 150444715, 270800487, 451334145, 812401461, 1354002435, 2437204383, 4062007305, 12186021915]

約数ペア:

[(1, 12186021915), (3, 4062007305), (5, 2437204383), (9, 1354002435), (15, 812401461), (27, 451334145), (45, 270800487), (81, 150444715), (135, 90266829), (405, 30088943)]