138436479

素因数分解:

$3^3\times {\mathrm{43}}^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:201

約数の個数: 48

約数和(自身を含む): 218073600

約数和(自身を除く): 79637121

約数列:

[1, 3, 9, 27, 43, 47, 59, 129, 141, 177, 387, 423, 531, 1161, 1269, 1593, 1849, 2021, 2537, 2773, 5547, 6063, 7611, 8319, 16641, 18189, 22833, 24957, 49923, 54567, 68499, 74871, 86903, 109091, 119239, 260709, 327273, 357717, 782127, 981819, 1073151, 2346381, 2945457, 3219453, 5127277, 15381831, 46145493, 138436479]

約数ペア:

[(1, 138436479), (3, 46145493), (9, 15381831), (27, 5127277), (43, 3219453), (47, 2945457), (59, 2346381), (129, 1073151), (141, 981819), (177, 782127), (387, 357717), (423, 327273), (531, 260709), (1161, 119239), (1269, 109091), (1593, 86903), (1849, 74871), (2021, 68499), (2537, 54567), (2773, 49923), (5547, 24957), (6063, 22833), (7611, 18189), (8319, 16641)]