68136981

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 102187008

約数和(自身を除く): 34050027

約数列:

[1, 3, 11, 33, 47, 141, 197, 223, 517, 591, 669, 1551, 2167, 2453, 6501, 7359, 9259, 10481, 27777, 31443, 43931, 101849, 115291, 131793, 305547, 345873, 483241, 1449723, 2064757, 6194271, 22712327, 68136981]

約数ペア:

[(1, 68136981), (3, 22712327), (11, 6194271), (33, 2064757), (47, 1449723), (141, 483241), (197, 345873), (223, 305547), (517, 131793), (591, 115291), (669, 101849), (1551, 43931), (2167, 31443), (2453, 27777), (6501, 10481), (7359, 9259)]