1378305

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:401

約数の個数: 24

約数和(自身を含む): 2419560

約数和(自身を除く): 1041255

約数列:

[1, 3, 5, 9, 15, 45, 109, 281, 327, 545, 843, 981, 1405, 1635, 2529, 4215, 4905, 12645, 30629, 91887, 153145, 275661, 459435, 1378305]

約数ペア:

[(1, 1378305), (3, 459435), (5, 275661), (9, 153145), (15, 91887), (45, 30629), (109, 12645), (281, 4905), (327, 4215), (545, 2529), (843, 1635), (981, 1405)]