16980825

素因数分解:

$3^1\times 5^2\times {\mathrm{373}}^1\times {\mathrm{607}}^1$

素因数の和:993

約数の個数: 24

約数和(自身を含む): 28196608

約数和(自身を除く): 11215783

約数列:

[1, 3, 5, 15, 25, 75, 373, 607, 1119, 1821, 1865, 3035, 5595, 9105, 9325, 15175, 27975, 45525, 226411, 679233, 1132055, 3396165, 5660275, 16980825]

約数ペア:

[(1, 16980825), (3, 5660275), (5, 3396165), (15, 1132055), (25, 679233), (75, 226411), (373, 45525), (607, 27975), (1119, 15175), (1821, 9325), (1865, 9105), (3035, 5595)]