87865407

素因数分解:

$3^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{5303}}^1$

素因数の和:5579

約数の個数: 24

約数和(自身を含む): 145626624

約数和(自身を除く): 57761217

約数列:

[1, 3, 7, 9, 21, 63, 263, 789, 1841, 2367, 5303, 5523, 15909, 16569, 37121, 47727, 111363, 334089, 1394689, 4184067, 9762823, 12552201, 29288469, 87865407]

約数ペア:

[(1, 87865407), (3, 29288469), (7, 12552201), (9, 9762823), (21, 4184067), (63, 1394689), (263, 334089), (789, 111363), (1841, 47727), (2367, 37121), (5303, 16569), (5523, 15909)]