2042720253

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{321031}}^1$

素因数の和:321145

約数の個数: 24

約数和(自身を含む): 3405507456

約数和(自身を除く): 1362787203

約数列:

[1, 3, 7, 9, 21, 63, 101, 303, 707, 909, 2121, 6363, 321031, 963093, 2247217, 2889279, 6741651, 20224953, 32424131, 97272393, 226968917, 291817179, 680906751, 2042720253]

約数ペア:

[(1, 2042720253), (3, 680906751), (7, 291817179), (9, 226968917), (21, 97272393), (63, 32424131), (101, 20224953), (303, 6741651), (707, 2889279), (909, 2247217), (2121, 963093), (6363, 321031)]