81187977

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67153}}^1$

素因数の和:67200

約数の個数: 16

約数和(自身を含む): 120339968

約数和(自身を除く): 39151991

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 67153, 201459, 872989, 2081743, 2618967, 6245229, 27062659, 81187977]

約数ペア:

[(1, 81187977), (3, 27062659), (13, 6245229), (31, 2618967), (39, 2081743), (93, 872989), (403, 201459), (1209, 67153)]