13640817

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 20839680

約数和(自身を除く): 7198863

約数列:

[1, 3, 17, 23, 29, 51, 69, 87, 391, 401, 493, 667, 1173, 1203, 1479, 2001, 6817, 9223, 11339, 11629, 20451, 27669, 34017, 34887, 156791, 197693, 267467, 470373, 593079, 802401, 4546939, 13640817]

約数ペア:

[(1, 13640817), (3, 4546939), (17, 802401), (23, 593079), (29, 470373), (51, 267467), (69, 197693), (87, 156791), (391, 34887), (401, 34017), (493, 27669), (667, 20451), (1173, 11629), (1203, 11339), (1479, 9223), (2001, 6817)]