28756665

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{91291}}^1$

素因数の和:91309

約数の個数: 24

約数和(自身を含む): 56966208

約数和(自身を除く): 28209543

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 91291, 273873, 456455, 639037, 821619, 1369365, 1917111, 3195185, 4108095, 5751333, 9585555, 28756665]

約数ペア:

[(1, 28756665), (3, 9585555), (5, 5751333), (7, 4108095), (9, 3195185), (15, 1917111), (21, 1369365), (35, 821619), (45, 639037), (63, 456455), (105, 273873), (315, 91291)]