78907779

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{20063}}^1$

素因数の和:20111

約数の個数: 24

約数和(自身を含む): 125199360

約数和(自身を除く): 46291581

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 20063, 60189, 180567, 381197, 461449, 1143591, 1384347, 3430773, 4153041, 8767531, 26302593, 78907779]

約数ペア:

[(1, 78907779), (3, 26302593), (9, 8767531), (19, 4153041), (23, 3430773), (57, 1384347), (69, 1143591), (171, 461449), (207, 381197), (437, 180567), (1311, 60189), (3933, 20063)]