30131451

素因数分解:

$3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1861}}^1$

素因数の和:2131

約数の個数: 24

約数和(自身を含む): 49961184

約数和(自身を除く): 19829733

約数列:

[1, 3, 7, 9, 21, 63, 257, 771, 1799, 1861, 2313, 5397, 5583, 13027, 16191, 16749, 39081, 117243, 478277, 1434831, 3347939, 4304493, 10043817, 30131451]

約数ペア:

[(1, 30131451), (3, 10043817), (7, 4304493), (9, 3347939), (21, 1434831), (63, 478277), (257, 117243), (771, 39081), (1799, 16749), (1861, 16191), (2313, 13027), (5397, 5583)]