251620281

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3181}}^1$

素因数の和:3262

約数の個数: 48

約数和(自身を含む): 428882688

約数和(自身を除く): 177262407

約数列:

[1, 3, 9, 11, 17, 33, 47, 51, 99, 141, 153, 187, 423, 517, 561, 799, 1551, 1683, 2397, 3181, 4653, 7191, 8789, 9543, 26367, 28629, 34991, 54077, 79101, 104973, 149507, 162231, 314919, 448521, 486693, 594847, 1345563, 1644577, 1784541, 2541619, 4933731, 5353623, 7624857, 14801193, 22874571, 27957809, 83873427, 251620281]

約数ペア:

[(1, 251620281), (3, 83873427), (9, 27957809), (11, 22874571), (17, 14801193), (33, 7624857), (47, 5353623), (51, 4933731), (99, 2541619), (141, 1784541), (153, 1644577), (187, 1345563), (423, 594847), (517, 486693), (561, 448521), (799, 314919), (1551, 162231), (1683, 149507), (2397, 104973), (3181, 79101), (4653, 54077), (7191, 34991), (8789, 28629), (9543, 26367)]