81405522

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{2087}}^1$

素因数の和:2303

約数の個数: 48

約数和(自身を含む): 193482432

約数和(自身を除く): 112076910

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 197, 198, 394, 591, 1182, 1773, 2087, 2167, 3546, 4174, 4334, 6261, 6501, 12522, 13002, 18783, 19503, 22957, 37566, 39006, 45914, 68871, 137742, 206613, 411139, 413226, 822278, 1233417, 2466834, 3700251, 4522529, 7400502, 9045058, 13567587, 27135174, 40702761, 81405522]

約数ペア:

[(1, 81405522), (2, 40702761), (3, 27135174), (6, 13567587), (9, 9045058), (11, 7400502), (18, 4522529), (22, 3700251), (33, 2466834), (66, 1233417), (99, 822278), (197, 413226), (198, 411139), (394, 206613), (591, 137742), (1182, 68871), (1773, 45914), (2087, 39006), (2167, 37566), (3546, 22957), (4174, 19503), (4334, 18783), (6261, 13002), (6501, 12522)]