12910521

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 19918080

約数和(自身を除く): 7007559

約数列:

[1, 3, 13, 23, 37, 39, 69, 111, 299, 389, 481, 851, 897, 1167, 1443, 2553, 5057, 8947, 11063, 14393, 15171, 26841, 33189, 43179, 116311, 187109, 331039, 348933, 561327, 993117, 4303507, 12910521]

約数ペア:

[(1, 12910521), (3, 4303507), (13, 993117), (23, 561327), (37, 348933), (39, 331039), (69, 187109), (111, 116311), (299, 43179), (389, 33189), (481, 26841), (851, 15171), (897, 14393), (1167, 11063), (1443, 8947), (2553, 5057)]