28449873

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{15271}}^1$

素因数の和:15306

約数の個数: 20

約数和(自身を含む): 44349888

約数和(自身を除く): 15900015

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 15271, 45813, 137439, 351233, 412317, 1053699, 1236951, 3161097, 9483291, 28449873]

約数ペア:

[(1, 28449873), (3, 9483291), (9, 3161097), (23, 1236951), (27, 1053699), (69, 412317), (81, 351233), (207, 137439), (621, 45813), (1863, 15271)]