221428987

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{1783}}^1$

素因数の和:2070

約数の個数: 16

約数和(自身を含む): 245464128

約数和(自身を除く): 24035141

約数列:

[1, 13, 41, 233, 533, 1783, 3029, 9553, 23179, 73103, 124189, 415439, 950339, 5400707, 17032999, 221428987]

約数ペア:

[(1, 221428987), (13, 17032999), (41, 5400707), (233, 950339), (533, 415439), (1783, 124189), (3029, 73103), (9553, 23179)]