13321815

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1289}}^1$

素因数の和:1363

約数の個数: 32

約数和(自身を含む): 23405760

約数和(自身を除く): 10083945

約数列:

[1, 3, 5, 13, 15, 39, 53, 65, 159, 195, 265, 689, 795, 1289, 2067, 3445, 3867, 6445, 10335, 16757, 19335, 50271, 68317, 83785, 204951, 251355, 341585, 888121, 1024755, 2664363, 4440605, 13321815]

約数ペア:

[(1, 13321815), (3, 4440605), (5, 2664363), (13, 1024755), (15, 888121), (39, 341585), (53, 251355), (65, 204951), (159, 83785), (195, 68317), (265, 50271), (689, 19335), (795, 16757), (1289, 10335), (2067, 6445), (3445, 3867)]