15378255

素因数分解:

$3^6\times 5^1\times {\mathrm{4219}}^1$

素因数の和:4242

約数の個数: 28

約数和(自身を含む): 27674760

約数和(自身を除く): 12296505

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 4219, 12657, 21095, 37971, 63285, 113913, 189855, 341739, 569565, 1025217, 1708695, 3075651, 5126085, 15378255]

約数ペア:

[(1, 15378255), (3, 5126085), (5, 3075651), (9, 1708695), (15, 1025217), (27, 569565), (45, 341739), (81, 189855), (135, 113913), (243, 63285), (405, 37971), (729, 21095), (1215, 12657), (3645, 4219)]