81588915

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{27061}}^1$

素因数の和:27139

約数の個数: 24

約数和(自身を含む): 143536848

約数和(自身を除く): 61947933

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 27061, 81183, 135305, 243549, 405915, 1217745, 1813087, 5439261, 9065435, 16317783, 27196305, 81588915]

約数ペア:

[(1, 81588915), (3, 27196305), (5, 16317783), (9, 9065435), (15, 5439261), (45, 1813087), (67, 1217745), (201, 405915), (335, 243549), (603, 135305), (1005, 81183), (3015, 27061)]