40281381

素因数分解:

$3^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 74692800

約数和(自身を除く): 34411419

約数列:

[1, 3, 7, 9, 17, 21, 27, 49, 51, 63, 81, 119, 147, 153, 189, 199, 243, 357, 441, 459, 567, 597, 833, 1071, 1323, 1377, 1393, 1701, 1791, 2499, 3213, 3383, 3969, 4131, 4179, 5373, 7497, 9639, 9751, 10149, 11907, 12537, 16119, 22491, 23681, 28917, 29253, 30447, 37611, 48357, 67473, 71043, 87759, 91341, 112833, 165767, 202419, 213129, 263277, 274023, 338499, 497301, 639387, 789831, 822069, 1491903, 1918161, 2369493, 4475709, 5754483, 13427127, 40281381]

約数ペア:

[(1, 40281381), (3, 13427127), (7, 5754483), (9, 4475709), (17, 2369493), (21, 1918161), (27, 1491903), (49, 822069), (51, 789831), (63, 639387), (81, 497301), (119, 338499), (147, 274023), (153, 263277), (189, 213129), (199, 202419), (243, 165767), (357, 112833), (441, 91341), (459, 87759), (567, 71043), (597, 67473), (833, 48357), (1071, 37611), (1323, 30447), (1377, 29253), (1393, 28917), (1701, 23681), (1791, 22491), (2499, 16119), (3213, 12537), (3383, 11907), (3969, 10149), (4131, 9751), (4179, 9639), (5373, 7497)]