9891639

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{4211}}^1$

素因数の和:4252

約数の個数: 20

約数和(自身を含む): 15289560

約数和(自身を除く): 5397921

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 4211, 12633, 37899, 113697, 122119, 341091, 366357, 1099071, 3297213, 9891639]

約数ペア:

[(1, 9891639), (3, 3297213), (9, 1099071), (27, 366357), (29, 341091), (81, 122119), (87, 113697), (261, 37899), (783, 12633), (2349, 4211)]