861330561

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3155057}}^1$

素因数の和:3155080

約数の個数: 16

約数和(自身を含む): 1413465984

約数和(自身を除く): 552135423

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 3155057, 9465171, 22085399, 41015741, 66256197, 123047223, 287110187, 861330561]

約数ペア:

[(1, 861330561), (3, 287110187), (7, 123047223), (13, 66256197), (21, 41015741), (39, 22085399), (91, 9465171), (273, 3155057)]