219909915

素因数分解:

$3^2\times 5^1\times {\mathrm{1607}}^1\times {\mathrm{3041}}^1$

素因数の和:4659

約数の個数: 24

約数和(自身を含む): 381539808

約数和(自身を除く): 161629893

約数列:

[1, 3, 5, 9, 15, 45, 1607, 3041, 4821, 8035, 9123, 14463, 15205, 24105, 27369, 45615, 72315, 136845, 4886887, 14660661, 24434435, 43981983, 73303305, 219909915]

約数ペア:

[(1, 219909915), (3, 73303305), (5, 43981983), (9, 24434435), (15, 14660661), (45, 4886887), (1607, 136845), (3041, 72315), (4821, 45615), (8035, 27369), (9123, 24105), (14463, 15205)]