1239040257

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{266977}}^1$

素因数の和:267017

約数の個数: 32

約数和(自身を含む): 2152910592

約数和(自身を除く): 913870335

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 266977, 800931, 1868839, 3470701, 4538609, 5606517, 10412103, 13615827, 24294907, 31770263, 59001917, 72884721, 95310789, 177005751, 413013419, 1239040257]

約数ペア:

[(1, 1239040257), (3, 413013419), (7, 177005751), (13, 95310789), (17, 72884721), (21, 59001917), (39, 31770263), (51, 24294907), (91, 13615827), (119, 10412103), (221, 5606517), (273, 4538609), (357, 3470701), (663, 1868839), (1547, 800931), (4641, 266977)]