81720522

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{116411}}^1$

素因数の和:116435

約数の個数: 32

約数和(自身を含む): 195572160

約数和(自身を除く): 113851638

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 116411, 232822, 349233, 698466, 1047699, 1513343, 2095398, 3026686, 3143097, 4540029, 6286194, 9080058, 13620087, 27240174, 40860261, 81720522]

約数ペア:

[(1, 81720522), (2, 40860261), (3, 27240174), (6, 13620087), (9, 9080058), (13, 6286194), (18, 4540029), (26, 3143097), (27, 3026686), (39, 2095398), (54, 1513343), (78, 1047699), (117, 698466), (234, 349233), (351, 232822), (702, 116411)]