138821421

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1\times {\mathrm{2251}}^1$

素因数の和:2652

約数の個数: 16

約数和(自身を含む): 188771648

約数和(自身を除く): 49950227

約数列:

[1, 3, 61, 183, 337, 1011, 2251, 6753, 20557, 61671, 137311, 411933, 758587, 2275761, 46273807, 138821421]

約数ペア:

[(1, 138821421), (3, 46273807), (61, 2275761), (183, 758587), (337, 411933), (1011, 137311), (2251, 61671), (6753, 20557)]