18213255

素因数分解:

$3^4\times 5^1\times {\mathrm{44971}}^1$

素因数の和:44988

約数の個数: 20

約数和(自身を含む): 32649672

約数和(自身を除く): 14436417

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 44971, 134913, 224855, 404739, 674565, 1214217, 2023695, 3642651, 6071085, 18213255]

約数ペア:

[(1, 18213255), (3, 6071085), (5, 3642651), (9, 2023695), (15, 1214217), (27, 674565), (45, 404739), (81, 224855), (135, 134913), (405, 44971)]