68928015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2543}}^1$

素因数の和:2703

約数の個数: 32

約数和(自身を含む): 119669760

約数和(自身を除く): 50741745

約数列:

[1, 3, 5, 13, 15, 39, 65, 139, 195, 417, 695, 1807, 2085, 2543, 5421, 7629, 9035, 12715, 27105, 33059, 38145, 99177, 165295, 353477, 495885, 1060431, 1767385, 4595201, 5302155, 13785603, 22976005, 68928015]

約数ペア:

[(1, 68928015), (3, 22976005), (5, 13785603), (13, 5302155), (15, 4595201), (39, 1767385), (65, 1060431), (139, 495885), (195, 353477), (417, 165295), (695, 99177), (1807, 38145), (2085, 33059), (2543, 27105), (5421, 12715), (7629, 9035)]