80442315

素因数分解:

$3^4\times 5^1\times {\mathrm{198623}}^1$

素因数の和:198640

約数の個数: 20

約数和(自身を含む): 144201024

約数和(自身を除く): 63758709

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 198623, 595869, 993115, 1787607, 2979345, 5362821, 8938035, 16088463, 26814105, 80442315]

約数ペア:

[(1, 80442315), (3, 26814105), (5, 16088463), (9, 8938035), (15, 5362821), (27, 2979345), (45, 1787607), (81, 993115), (135, 595869), (405, 198623)]