1625702481

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{21149}}^1$

素因数の和:21247

約数の個数: 40

約数和(自身を含む): 2651279400

約数和(自身を除く): 1025576919

約数列:

[1, 3, 9, 13, 27, 39, 73, 81, 117, 219, 351, 657, 949, 1053, 1971, 2847, 5913, 8541, 21149, 25623, 63447, 76869, 190341, 274937, 571023, 824811, 1543877, 1713069, 2474433, 4631631, 7423299, 13894893, 20070401, 22269897, 41684679, 60211203, 125054037, 180633609, 541900827, 1625702481]

約数ペア:

[(1, 1625702481), (3, 541900827), (9, 180633609), (13, 125054037), (27, 60211203), (39, 41684679), (73, 22269897), (81, 20070401), (117, 13894893), (219, 7423299), (351, 4631631), (657, 2474433), (949, 1713069), (1053, 1543877), (1971, 824811), (2847, 571023), (5913, 274937), (8541, 190341), (21149, 76869), (25623, 63447)]