251283879

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{757}}^1$

素因数の和:1260

約数の個数: 48

約数和(自身を含む): 454072320

約数和(自身を除く): 202788441

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 479, 693, 757, 1437, 2271, 3353, 4311, 5269, 5299, 6813, 8327, 10059, 15807, 15897, 24981, 30177, 36883, 47421, 47691, 58289, 74943, 110649, 174867, 331947, 362603, 524601, 1087809, 2538221, 3263427, 3988633, 7614663, 11965899, 22843989, 27920431, 35897697, 83761293, 251283879]

約数ペア:

[(1, 251283879), (3, 83761293), (7, 35897697), (9, 27920431), (11, 22843989), (21, 11965899), (33, 7614663), (63, 3988633), (77, 3263427), (99, 2538221), (231, 1087809), (479, 524601), (693, 362603), (757, 331947), (1437, 174867), (2271, 110649), (3353, 74943), (4311, 58289), (5269, 47691), (5299, 47421), (6813, 36883), (8327, 30177), (10059, 24981), (15807, 15897)]