81328686

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{1321}}^1$

素因数の和:1688

約数の個数: 32

約数和(自身を含む): 168539136

約数和(自身を除く): 87210450

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 331, 662, 993, 1321, 1986, 2642, 3963, 7926, 10261, 20522, 30783, 40951, 61566, 81902, 122853, 245706, 437251, 874502, 1311753, 2623506, 13554781, 27109562, 40664343, 81328686]

約数ペア:

[(1, 81328686), (2, 40664343), (3, 27109562), (6, 13554781), (31, 2623506), (62, 1311753), (93, 874502), (186, 437251), (331, 245706), (662, 122853), (993, 81902), (1321, 61566), (1986, 40951), (2642, 30783), (3963, 20522), (7926, 10261)]