199291209

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4409}}^1$

素因数の和:4505

約数の個数: 32

約数和(自身を含む): 306230400

約数和(自身を除く): 106939191

約数列:

[1, 3, 13, 19, 39, 57, 61, 183, 247, 741, 793, 1159, 2379, 3477, 4409, 13227, 15067, 45201, 57317, 83771, 171951, 251313, 268949, 806847, 1089023, 3267069, 3496337, 5110031, 10489011, 15330093, 66430403, 199291209]

約数ペア:

[(1, 199291209), (3, 66430403), (13, 15330093), (19, 10489011), (39, 5110031), (57, 3496337), (61, 3267069), (183, 1089023), (247, 806847), (741, 268949), (793, 251313), (1159, 171951), (2379, 83771), (3477, 57317), (4409, 45201), (13227, 15067)]