81262155

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1259}}^1$

素因数の和:1611

約数の個数: 32

約数和(自身を含む): 140555520

約数和(自身を除く): 59293365

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 331, 993, 1259, 1655, 3777, 4303, 4965, 6295, 12909, 16367, 18885, 21515, 49101, 64545, 81835, 245505, 416729, 1250187, 2083645, 5417477, 6250935, 16252431, 27087385, 81262155]

約数ペア:

[(1, 81262155), (3, 27087385), (5, 16252431), (13, 6250935), (15, 5417477), (39, 2083645), (65, 1250187), (195, 416729), (331, 245505), (993, 81835), (1259, 64545), (1655, 49101), (3777, 21515), (4303, 18885), (4965, 16367), (6295, 12909)]