420845007

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{2903}}^1$

素因数の和:3131

約数の個数: 32

約数和(自身を含む): 642318336

約数和(自身を除く): 221473329

約数列:

[1, 3, 11, 23, 33, 69, 191, 253, 573, 759, 2101, 2903, 4393, 6303, 8709, 13179, 31933, 48323, 66769, 95799, 144969, 200307, 554473, 734459, 1663419, 2203377, 6099203, 12752879, 18297609, 38258637, 140281669, 420845007]

約数ペア:

[(1, 420845007), (3, 140281669), (11, 38258637), (23, 18297609), (33, 12752879), (69, 6099203), (191, 2203377), (253, 1663419), (573, 734459), (759, 554473), (2101, 200307), (2903, 144969), (4393, 95799), (6303, 66769), (8709, 48323), (13179, 31933)]