79942545

素因数分解:

$3^4\times 5^1\times {\mathrm{197389}}^1$

素因数の和:197406

約数の個数: 20

約数和(自身を含む): 143305140

約数和(自身を除く): 63362595

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 197389, 592167, 986945, 1776501, 2960835, 5329503, 8882505, 15988509, 26647515, 79942545]

約数ペア:

[(1, 79942545), (3, 26647515), (5, 15988509), (9, 8882505), (15, 5329503), (27, 2960835), (45, 1776501), (81, 986945), (135, 592167), (405, 197389)]