1640341791

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{1997}}^1\times {\mathrm{8297}}^1$

素因数の和:10311

約数の個数: 24

約数和(自身を含む): 2586387024

約数和(自身を除く): 946045233

約数列:

[1, 3, 9, 11, 33, 99, 1997, 5991, 8297, 17973, 21967, 24891, 65901, 74673, 91267, 197703, 273801, 821403, 16569109, 49707327, 149121981, 182260199, 546780597, 1640341791]

約数ペア:

[(1, 1640341791), (3, 546780597), (9, 182260199), (11, 149121981), (33, 49707327), (99, 16569109), (1997, 821403), (5991, 273801), (8297, 197703), (17973, 91267), (21967, 74673), (24891, 65901)]