209278797

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{4703}}^1$

素因数の和:4889

約数の個数: 32

約数和(自身を含む): 345612288

約数和(自身を除く): 136333491

約数列:

[1, 3, 7, 13, 21, 39, 91, 163, 273, 489, 1141, 2119, 3423, 4703, 6357, 14109, 14833, 32921, 44499, 61139, 98763, 183417, 427973, 766589, 1283919, 2299767, 5366123, 9965657, 16098369, 29896971, 69759599, 209278797]

約数ペア:

[(1, 209278797), (3, 69759599), (7, 29896971), (13, 16098369), (21, 9965657), (39, 5366123), (91, 2299767), (163, 1283919), (273, 766589), (489, 427973), (1141, 183417), (2119, 98763), (3423, 61139), (4703, 44499), (6357, 32921), (14109, 14833)]