143391983

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{569}}^1$

素因数の和:759

約数の個数: 24

約数和(自身を含む): 172846800

約数和(自身を除く): 29454817

約数列:

[1, 7, 37, 49, 139, 259, 569, 973, 1813, 3983, 5143, 6811, 21053, 27881, 36001, 79091, 147371, 252007, 553637, 1031597, 2926367, 3875459, 20484569, 143391983]

約数ペア:

[(1, 143391983), (7, 20484569), (37, 3875459), (49, 2926367), (139, 1031597), (259, 553637), (569, 252007), (973, 147371), (1813, 79091), (3983, 36001), (5143, 27881), (6811, 21053)]