199882005

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{547}}^1\times {\mathrm{1433}}^1$

素因数の和:2005

約数の個数: 32

約数和(自身を含む): 339479424

約数和(自身を除く): 139597419

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 547, 1433, 1641, 2735, 4299, 7165, 8205, 9299, 21495, 24361, 27897, 46495, 73083, 121805, 139485, 365415, 783851, 2351553, 3919255, 11757765, 13325467, 39976401, 66627335, 199882005]

約数ペア:

[(1, 199882005), (3, 66627335), (5, 39976401), (15, 13325467), (17, 11757765), (51, 3919255), (85, 2351553), (255, 783851), (547, 365415), (1433, 139485), (1641, 121805), (2735, 73083), (4299, 46495), (7165, 27897), (8205, 24361), (9299, 21495)]