51790347

素因数分解:

$3^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 94464000

約数和(自身を除く): 42673653

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 199, 243, 357, 459, 567, 597, 729, 1071, 1377, 1393, 1701, 1791, 2187, 3213, 3383, 4131, 4179, 5103, 5373, 9639, 10149, 12393, 12537, 15309, 16119, 23681, 28917, 30447, 37179, 37611, 48357, 71043, 86751, 91341, 112833, 145071, 213129, 260253, 274023, 338499, 435213, 639387, 822069, 1015497, 1918161, 2466207, 3046491, 5754483, 7398621, 17263449, 51790347]

約数ペア:

[(1, 51790347), (3, 17263449), (7, 7398621), (9, 5754483), (17, 3046491), (21, 2466207), (27, 1918161), (51, 1015497), (63, 822069), (81, 639387), (119, 435213), (153, 338499), (189, 274023), (199, 260253), (243, 213129), (357, 145071), (459, 112833), (567, 91341), (597, 86751), (729, 71043), (1071, 48357), (1377, 37611), (1393, 37179), (1701, 30447), (1791, 28917), (2187, 23681), (3213, 16119), (3383, 15309), (4131, 12537), (4179, 12393), (5103, 10149), (5373, 9639)]