30781401

素因数分解:

$3^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{5449}}^1$

素因数の和:5728

約数の個数: 16

約数和(自身を含む): 47088000

約数和(自身を除く): 16306599

約数列:

[1, 3, 7, 21, 269, 807, 1883, 5449, 5649, 16347, 38143, 114429, 1465781, 4397343, 10260467, 30781401]

約数ペア:

[(1, 30781401), (3, 10260467), (7, 4397343), (21, 1465781), (269, 114429), (807, 38143), (1883, 16347), (5449, 5649)]