81405930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{2713531}}^1$

素因数の和:2713541

約数の個数: 16

約数和(自身を含む): 195374304

約数和(自身を除く): 113968374

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 2713531, 5427062, 8140593, 13567655, 16281186, 27135310, 40702965, 81405930]

約数ペア:

[(1, 81405930), (2, 40702965), (3, 27135310), (5, 16281186), (6, 13567655), (10, 8140593), (15, 5427062), (30, 2713531)]