78270219

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{42013}}^1$

素因数の和:42048

約数の個数: 20

約数和(自身を含む): 122008656

約数和(自身を除く): 43738437

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 42013, 126039, 378117, 966299, 1134351, 2898897, 3403053, 8696691, 26090073, 78270219]

約数ペア:

[(1, 78270219), (3, 26090073), (9, 8696691), (23, 3403053), (27, 2898897), (69, 1134351), (81, 966299), (207, 378117), (621, 126039), (1863, 42013)]