31898769

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{313}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 51124224

約数和(自身を除く): 19225455

約数列:

[1, 3, 7, 21, 23, 69, 161, 211, 313, 483, 633, 939, 1477, 2191, 4431, 4853, 6573, 7199, 14559, 21597, 33971, 50393, 66043, 101913, 151179, 198129, 462301, 1386903, 1518989, 4556967, 10632923, 31898769]

約数ペア:

[(1, 31898769), (3, 10632923), (7, 4556967), (21, 1518989), (23, 1386903), (69, 462301), (161, 198129), (211, 151179), (313, 101913), (483, 66043), (633, 50393), (939, 33971), (1477, 21597), (2191, 14559), (4431, 7199), (4853, 6573)]