720293481

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{719}}^1\times {\mathrm{1409}}^1$

素因数の和:2213

約数の個数: 24

約数和(自身を含む): 1055808000

約数和(自身を除く): 335514519

約数列:

[1, 3, 9, 79, 237, 711, 719, 1409, 2157, 4227, 6471, 12681, 56801, 111311, 170403, 333933, 511209, 1001799, 1013071, 3039213, 9117639, 80032609, 240097827, 720293481]

約数ペア:

[(1, 720293481), (3, 240097827), (9, 80032609), (79, 9117639), (237, 3039213), (711, 1013071), (719, 1001799), (1409, 511209), (2157, 333933), (4227, 170403), (6471, 111311), (12681, 56801)]