720443457

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{5693}}^1$

素因数の和:5854

約数の個数: 32

約数和(自身を含む): 1102358400

約数和(自身を除く): 381914943

約数列:

[1, 3, 9, 27, 43, 109, 129, 327, 387, 981, 1161, 2943, 4687, 5693, 14061, 17079, 42183, 51237, 126549, 153711, 244799, 620537, 734397, 1861611, 2203191, 5584833, 6609573, 16754499, 26683091, 80049273, 240147819, 720443457]

約数ペア:

[(1, 720443457), (3, 240147819), (9, 80049273), (27, 26683091), (43, 16754499), (109, 6609573), (129, 5584833), (327, 2203191), (387, 1861611), (981, 734397), (1161, 620537), (2943, 244799), (4687, 153711), (5693, 126549), (14061, 51237), (17079, 42183)]