220100829

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{643}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 323710464

約数和(自身を除く): 103609635

約数列:

[1, 3, 13, 39, 67, 131, 201, 393, 643, 871, 1703, 1929, 2613, 5109, 8359, 8777, 25077, 26331, 43081, 84233, 114101, 129243, 252699, 342303, 560053, 1095029, 1680159, 3285087, 5643611, 16930833, 73366943, 220100829]

約数ペア:

[(1, 220100829), (3, 73366943), (13, 16930833), (39, 5643611), (67, 3285087), (131, 1680159), (201, 1095029), (393, 560053), (643, 342303), (871, 252699), (1703, 129243), (1929, 114101), (2613, 84233), (5109, 43081), (8359, 26331), (8777, 25077)]