40805901

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3361}}^1$

素因数の和:3457

約数の個数: 24

約数和(自身を含む): 62936640

約数和(自身を除く): 22130739

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 3361, 4047, 10083, 12141, 30249, 63859, 191577, 238631, 574731, 715893, 2147679, 4533989, 13601967, 40805901]

約数ペア:

[(1, 40805901), (3, 13601967), (9, 4533989), (19, 2147679), (57, 715893), (71, 574731), (171, 238631), (213, 191577), (639, 63859), (1349, 30249), (3361, 12141), (4047, 10083)]