261620007

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{5791}}^1$

素因数の和:5879

約数の個数: 24

約数和(自身を含む): 391168512

約数和(自身を除く): 129548505

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 1369, 4107, 5791, 15059, 17373, 45177, 63701, 191103, 214267, 642801, 2356937, 7070811, 7927879, 23783637, 87206669, 261620007]

約数ペア:

[(1, 261620007), (3, 87206669), (11, 23783637), (33, 7927879), (37, 7070811), (111, 2356937), (407, 642801), (1221, 214267), (1369, 191103), (4107, 63701), (5791, 45177), (15059, 17373)]