81465462

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20479}}^1$

素因数の和:20517

約数の個数: 48

約数和(自身を含む): 201277440

約数和(自身を除く): 119811978

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 20479, 40958, 61437, 122874, 184311, 266227, 348143, 368622, 532454, 696286, 798681, 1044429, 1597362, 2088858, 2396043, 3133287, 4525859, 4792086, 6266574, 9051718, 13577577, 27155154, 40732731, 81465462]

約数ペア:

[(1, 81465462), (2, 40732731), (3, 27155154), (6, 13577577), (9, 9051718), (13, 6266574), (17, 4792086), (18, 4525859), (26, 3133287), (34, 2396043), (39, 2088858), (51, 1597362), (78, 1044429), (102, 798681), (117, 696286), (153, 532454), (221, 368622), (234, 348143), (306, 266227), (442, 184311), (663, 122874), (1326, 61437), (1989, 40958), (3978, 20479)]