28250517

素因数分解:

$3^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 40037760

約数和(自身を除く): 11787243

約数列:

[1, 3, 31, 41, 93, 123, 239, 717, 961, 1271, 2883, 3813, 7409, 9799, 22227, 29397, 39401, 118203, 229679, 303769, 689037, 911307, 9416839, 28250517]

約数ペア:

[(1, 28250517), (3, 9416839), (31, 911307), (41, 689037), (93, 303769), (123, 229679), (239, 118203), (717, 39401), (961, 29397), (1271, 22227), (2883, 9799), (3813, 7409)]