131420169

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 208528320

約数和(自身を除く): 77108151

約数列:

[1, 3, 9, 19, 43, 57, 61, 129, 171, 183, 293, 387, 549, 817, 879, 1159, 2451, 2623, 2637, 3477, 5567, 7353, 7869, 10431, 12599, 16701, 17873, 23607, 37797, 49837, 50103, 53619, 113391, 149511, 160857, 239381, 339587, 448533, 718143, 768539, 1018761, 2154429, 2305617, 3056283, 6916851, 14602241, 43806723, 131420169]

約数ペア:

[(1, 131420169), (3, 43806723), (9, 14602241), (19, 6916851), (43, 3056283), (57, 2305617), (61, 2154429), (129, 1018761), (171, 768539), (183, 718143), (293, 448533), (387, 339587), (549, 239381), (817, 160857), (879, 149511), (1159, 113391), (2451, 53619), (2623, 50103), (2637, 49837), (3477, 37797), (5567, 23607), (7353, 17873), (7869, 16701), (10431, 12599)]