15977655

素因数分解:

$3^4\times 5^1\times {\mathrm{39451}}^1$

素因数の和:39468

約数の個数: 20

約数和(自身を含む): 28642152

約数和(自身を除く): 12664497

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 39451, 118353, 197255, 355059, 591765, 1065177, 1775295, 3195531, 5325885, 15977655]

約数ペア:

[(1, 15977655), (3, 5325885), (5, 3195531), (9, 1775295), (15, 1065177), (27, 591765), (45, 355059), (81, 197255), (135, 118353), (405, 39451)]