55217721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{7187}}^1$

素因数の和:7400

約数の個数: 16

約数和(自身を含む): 79700544

約数和(自身を除く): 24482823

約数列:

[1, 3, 13, 39, 197, 591, 2561, 7187, 7683, 21561, 93431, 280293, 1415839, 4247517, 18405907, 55217721]

約数ペア:

[(1, 55217721), (3, 18405907), (13, 4247517), (39, 1415839), (197, 280293), (591, 93431), (2561, 21561), (7187, 7683)]