81661890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{2722063}}^1$

素因数の和:2722073

約数の個数: 16

約数和(自身を含む): 195988608

約数和(自身を除く): 114326718

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 2722063, 5444126, 8166189, 13610315, 16332378, 27220630, 40830945, 81661890]

約数ペア:

[(1, 81661890), (2, 40830945), (3, 27220630), (5, 16332378), (6, 13610315), (10, 8166189), (15, 5444126), (30, 2722063)]