40628223

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{6871}}^1$

素因数の和:6956

約数の個数: 20

約数和(自身を含む): 61531888

約数和(自身を除く): 20903665

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 6871, 20613, 61839, 185517, 501583, 556551, 1504749, 4514247, 13542741, 40628223]

約数ペア:

[(1, 40628223), (3, 13542741), (9, 4514247), (27, 1504749), (73, 556551), (81, 501583), (219, 185517), (657, 61839), (1971, 20613), (5913, 6871)]