16978485

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1697}}^1$

素因数の和:1757

約数の個数: 32

約数和(自身を含む): 29341440

約数和(自身を除く): 12362955

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 115, 145, 345, 435, 667, 1697, 2001, 3335, 5091, 8485, 10005, 25455, 39031, 49213, 117093, 147639, 195155, 246065, 585465, 738195, 1131899, 3395697, 5659495, 16978485]

約数ペア:

[(1, 16978485), (3, 5659495), (5, 3395697), (15, 1131899), (23, 738195), (29, 585465), (69, 246065), (87, 195155), (115, 147639), (145, 117093), (345, 49213), (435, 39031), (667, 25455), (1697, 10005), (2001, 8485), (3335, 5091)]