40780221

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{1747}}^1$

素因数の和:2032

約数の個数: 16

約数和(自身を含む): 56383488

約数和(自身を除く): 15603267

約数列:

[1, 3, 31, 93, 251, 753, 1747, 5241, 7781, 23343, 54157, 162471, 438497, 1315491, 13593407, 40780221]

約数ペア:

[(1, 40780221), (3, 13593407), (31, 1315491), (93, 438497), (251, 162471), (753, 54157), (1747, 23343), (5241, 7781)]