2177973

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 3634176

約数和(自身を除く): 1456203

約数列:

[1, 3, 7, 9, 21, 63, 181, 191, 543, 573, 1267, 1337, 1629, 1719, 3801, 4011, 11403, 12033, 34571, 103713, 241997, 311139, 725991, 2177973]

約数ペア:

[(1, 2177973), (3, 725991), (7, 311139), (9, 241997), (21, 103713), (63, 34571), (181, 12033), (191, 11403), (543, 4011), (573, 3801), (1267, 1719), (1337, 1629)]