40243581

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2999}}^1$

素因数の和:3086

約数の個数: 32

約数和(自身を含む): 69120000

約数和(自身を除く): 28876419

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 2999, 4473, 8997, 13419, 20993, 26991, 62979, 80973, 188937, 212929, 566811, 638787, 1490503, 1916361, 4471509, 5749083, 13414527, 40243581]

約数ペア:

[(1, 40243581), (3, 13414527), (7, 5749083), (9, 4471509), (21, 1916361), (27, 1490503), (63, 638787), (71, 566811), (189, 212929), (213, 188937), (497, 80973), (639, 62979), (1491, 26991), (1917, 20993), (2999, 13419), (4473, 8997)]