142865723

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20389}}^1$

素因数の和:20427

約数の個数: 24

約数和(自身を含む): 195254640

約数和(自身を除く): 52388917

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 539, 637, 1001, 7007, 20389, 142723, 224279, 265057, 999061, 1569953, 1855399, 2915627, 10989671, 12987793, 20409389, 142865723]

約数ペア:

[(1, 142865723), (7, 20409389), (11, 12987793), (13, 10989671), (49, 2915627), (77, 1855399), (91, 1569953), (143, 999061), (539, 265057), (637, 224279), (1001, 142723), (7007, 20389)]