206856645

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1\times {\mathrm{673}}^1$

素因数の和:1373

約数の個数: 32

約数和(自身を含む): 342672384

約数和(自身を除く): 135815739

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 661, 673, 1983, 2019, 3305, 3365, 9915, 10095, 20491, 20863, 61473, 62589, 102455, 104315, 307365, 312945, 444853, 1334559, 2224265, 6672795, 13790443, 41371329, 68952215, 206856645]

約数ペア:

[(1, 206856645), (3, 68952215), (5, 41371329), (15, 13790443), (31, 6672795), (93, 2224265), (155, 1334559), (465, 444853), (661, 312945), (673, 307365), (1983, 104315), (2019, 102455), (3305, 62589), (3365, 61473), (9915, 20863), (10095, 20491)]