123780645

素因数分解:

$3^2\times 5^1\times {\mathrm{1619}}^1\times {\mathrm{1699}}^1$

素因数の和:3329

約数の個数: 24

約数和(自身を含む): 214812000

約数和(自身を除く): 91031355

約数列:

[1, 3, 5, 9, 15, 45, 1619, 1699, 4857, 5097, 8095, 8495, 14571, 15291, 24285, 25485, 72855, 76455, 2750681, 8252043, 13753405, 24756129, 41260215, 123780645]

約数ペア:

[(1, 123780645), (3, 41260215), (5, 24756129), (9, 13753405), (15, 8252043), (45, 2750681), (1619, 76455), (1699, 72855), (4857, 25485), (5097, 24285), (8095, 15291), (8495, 14571)]