30640185

素因数分解:

$3^2\times 5^1\times {\mathrm{719}}^1\times {\mathrm{947}}^1$

素因数の和:1677

約数の個数: 24

約数和(自身を含む): 53239680

約数和(自身を除く): 22599495

約数列:

[1, 3, 5, 9, 15, 45, 719, 947, 2157, 2841, 3595, 4735, 6471, 8523, 10785, 14205, 32355, 42615, 680893, 2042679, 3404465, 6128037, 10213395, 30640185]

約数ペア:

[(1, 30640185), (3, 10213395), (5, 6128037), (9, 3404465), (15, 2042679), (45, 680893), (719, 42615), (947, 32355), (2157, 14205), (2841, 10785), (3595, 8523), (4735, 6471)]