215881851

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1\times {\mathrm{4421}}^1$

素因数の和:4862

約数の個数: 16

約数和(自身を含む): 295672608

約数和(自身を除く): 79790757

約数列:

[1, 3, 41, 123, 397, 1191, 4421, 13263, 16277, 48831, 181261, 543783, 1755137, 5265411, 71960617, 215881851]

約数ペア:

[(1, 215881851), (3, 71960617), (41, 5265411), (123, 1755137), (397, 543783), (1191, 181261), (4421, 48831), (13263, 16277)]