249804929871

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{870889}}^1$

素因数の和:871088

約数の個数: 48

約数和(自身を含む): 429313934400

約数和(自身を除く): 179509004529

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 157, 203, 261, 471, 609, 1099, 1413, 1827, 3297, 4553, 9891, 13659, 31871, 40977, 95613, 286839, 870889, 2612667, 6096223, 7838001, 18288669, 25255781, 54866007, 75767343, 136729573, 176790467, 227302029, 410188719, 530371401, 957107011, 1230566157, 1591114203, 2871321033, 3965157617, 8613963099, 11895472851, 27756103319, 35686418553, 83268309957, 249804929871]

約数ペア:

[(1, 249804929871), (3, 83268309957), (7, 35686418553), (9, 27756103319), (21, 11895472851), (29, 8613963099), (63, 3965157617), (87, 2871321033), (157, 1591114203), (203, 1230566157), (261, 957107011), (471, 530371401), (609, 410188719), (1099, 227302029), (1413, 176790467), (1827, 136729573), (3297, 75767343), (4553, 54866007), (9891, 25255781), (13659, 18288669), (31871, 7838001), (40977, 6096223), (95613, 2612667), (286839, 870889)]