278380954791

素因数分解:

$3^6\times {\mathrm{173}}^1\times {\mathrm{2207323}}^1$

素因数の和:2207514

約数の個数: 28

約数和(自身を含む): 419793292968

約数和(自身を除く): 141412338177

約数列:

[1, 3, 9, 27, 81, 173, 243, 519, 729, 1557, 4671, 14013, 42039, 126117, 2207323, 6621969, 19865907, 59597721, 178793163, 381866879, 536379489, 1145600637, 1609138467, 3436801911, 10310405733, 30931217199, 92793651597, 278380954791]

約数ペア:

[(1, 278380954791), (3, 92793651597), (9, 30931217199), (27, 10310405733), (81, 3436801911), (173, 1609138467), (243, 1145600637), (519, 536379489), (729, 381866879), (1557, 178793163), (4671, 59597721), (14013, 19865907), (42039, 6621969), (126117, 2207323)]