268989825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1049}}^1$

素因数の和:1338

約数の個数: 48

約数和(自身を含む): 481219200

約数和(自身を除く): 212229375

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 263, 325, 789, 975, 1049, 1315, 3147, 3419, 3945, 5245, 6575, 10257, 13637, 15735, 17095, 19725, 26225, 40911, 51285, 68185, 78675, 85475, 204555, 256425, 275887, 340925, 827661, 1022775, 1379435, 3586531, 4138305, 6897175, 10759593, 17932655, 20691525, 53797965, 89663275, 268989825]

約数ペア:

[(1, 268989825), (3, 89663275), (5, 53797965), (13, 20691525), (15, 17932655), (25, 10759593), (39, 6897175), (65, 4138305), (75, 3586531), (195, 1379435), (263, 1022775), (325, 827661), (789, 340925), (975, 275887), (1049, 256425), (1315, 204555), (3147, 85475), (3419, 78675), (3945, 68185), (5245, 51285), (6575, 40911), (10257, 26225), (13637, 19725), (15735, 17095)]