83961405

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2389}}^1$

素因数の和:2482

約数の個数: 48

約数和(自身を含む): 161066880

約数和(自身を除く): 77105475

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 71, 99, 165, 213, 355, 495, 639, 781, 1065, 2343, 2389, 3195, 3905, 7029, 7167, 11715, 11945, 21501, 26279, 35145, 35835, 78837, 107505, 131395, 169619, 236511, 394185, 508857, 848095, 1182555, 1526571, 1865809, 2544285, 5597427, 7632855, 9329045, 16792281, 27987135, 83961405]

約数ペア:

[(1, 83961405), (3, 27987135), (5, 16792281), (9, 9329045), (11, 7632855), (15, 5597427), (33, 2544285), (45, 1865809), (55, 1526571), (71, 1182555), (99, 848095), (165, 508857), (213, 394185), (355, 236511), (495, 169619), (639, 131395), (781, 107505), (1065, 78837), (2343, 35835), (2389, 35145), (3195, 26279), (3905, 21501), (7029, 11945), (7167, 11715)]