91961289

素因数分解:

$3^2\times 7^2\times {\mathrm{208529}}^1$

素因数の和:208549

約数の個数: 18

約数和(自身を含む): 154520730

約数和(自身を除く): 62559441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 208529, 625587, 1459703, 1876761, 4379109, 10217921, 13137327, 30653763, 91961289]

約数ペア:

[(1, 91961289), (3, 30653763), (7, 13137327), (9, 10217921), (21, 4379109), (49, 1876761), (63, 1459703), (147, 625587), (441, 208529)]