67991139

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{1783}}^1$

素因数の和:2031

約数の個数: 24

約数和(自身を含む): 103900160

約数和(自身を除く): 35909021

約数列:

[1, 3, 9, 19, 57, 171, 223, 669, 1783, 2007, 4237, 5349, 12711, 16047, 33877, 38133, 101631, 304893, 397609, 1192827, 3578481, 7554571, 22663713, 67991139]

約数ペア:

[(1, 67991139), (3, 22663713), (9, 7554571), (19, 3578481), (57, 1192827), (171, 397609), (223, 304893), (669, 101631), (1783, 38133), (2007, 33877), (4237, 16047), (5349, 12711)]