642714237

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1123}}^1$

素因数の和:1231

約数の個数: 64

約数和(自身を含む): 1087672320

約数和(自身を除く): 444958083

約数列:

[1, 3, 9, 11, 27, 33, 41, 47, 99, 123, 141, 297, 369, 423, 451, 517, 1107, 1123, 1269, 1353, 1551, 1927, 3369, 4059, 4653, 5781, 10107, 12177, 12353, 13959, 17343, 21197, 30321, 37059, 46043, 52029, 52781, 63591, 111177, 138129, 158343, 190773, 333531, 414387, 475029, 506473, 572319, 580591, 1243161, 1425087, 1519419, 1741773, 2164021, 4558257, 5225319, 6492063, 13674771, 15675957, 19476189, 23804231, 58428567, 71412693, 214238079, 642714237]

約数ペア:

[(1, 642714237), (3, 214238079), (9, 71412693), (11, 58428567), (27, 23804231), (33, 19476189), (41, 15675957), (47, 13674771), (99, 6492063), (123, 5225319), (141, 4558257), (297, 2164021), (369, 1741773), (423, 1519419), (451, 1425087), (517, 1243161), (1107, 580591), (1123, 572319), (1269, 506473), (1353, 475029), (1551, 414387), (1927, 333531), (3369, 190773), (4059, 158343), (4653, 138129), (5781, 111177), (10107, 63591), (12177, 52781), (12353, 52029), (13959, 46043), (17343, 37059), (21197, 30321)]