495639

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:252

約数の個数: 20

約数和(自身を含む): 769560

約数和(自身を除く): 273921

約数列:

[1, 3, 9, 27, 29, 81, 87, 211, 261, 633, 783, 1899, 2349, 5697, 6119, 17091, 18357, 55071, 165213, 495639]

約数ペア:

[(1, 495639), (3, 165213), (9, 55071), (27, 18357), (29, 17091), (81, 6119), (87, 5697), (211, 2349), (261, 1899), (633, 783)]