28216917

素因数分解:

$3^5\times {\mathrm{151}}^1\times {\mathrm{769}}^1$

素因数の和:935

約数の個数: 24

約数和(自身を含む): 42602560

約数和(自身を除く): 14385643

約数列:

[1, 3, 9, 27, 81, 151, 243, 453, 769, 1359, 2307, 4077, 6921, 12231, 20763, 36693, 62289, 116119, 186867, 348357, 1045071, 3135213, 9405639, 28216917]

約数ペア:

[(1, 28216917), (3, 9405639), (9, 3135213), (27, 1045071), (81, 348357), (151, 186867), (243, 116119), (453, 62289), (769, 36693), (1359, 20763), (2307, 12231), (4077, 6921)]