13225311

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 22464000

約数和(自身を除く): 9238689

約数列:

[1, 3, 9, 11, 19, 33, 57, 79, 89, 99, 171, 209, 237, 267, 627, 711, 801, 869, 979, 1501, 1691, 1881, 2607, 2937, 4503, 5073, 7031, 7821, 8811, 13509, 15219, 16511, 18601, 21093, 49533, 55803, 63279, 77341, 133589, 148599, 167409, 232023, 400767, 696069, 1202301, 1469479, 4408437, 13225311]

約数ペア:

[(1, 13225311), (3, 4408437), (9, 1469479), (11, 1202301), (19, 696069), (33, 400767), (57, 232023), (79, 167409), (89, 148599), (99, 133589), (171, 77341), (209, 63279), (237, 55803), (267, 49533), (627, 21093), (711, 18601), (801, 16511), (869, 15219), (979, 13509), (1501, 8811), (1691, 7821), (1881, 7031), (2607, 5073), (2937, 4503)]