40540257

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{499}}^1$

素因数の和:587

約数の個数: 40

約数和(自身を含む): 65340000

約数和(自身を除く): 24799743

約数列:

[1, 3, 9, 17, 27, 51, 59, 81, 153, 177, 459, 499, 531, 1003, 1377, 1497, 1593, 3009, 4491, 4779, 8483, 9027, 13473, 25449, 27081, 29441, 40419, 76347, 81243, 88323, 229041, 264969, 500497, 687123, 794907, 1501491, 2384721, 4504473, 13513419, 40540257]

約数ペア:

[(1, 40540257), (3, 13513419), (9, 4504473), (17, 2384721), (27, 1501491), (51, 794907), (59, 687123), (81, 500497), (153, 264969), (177, 229041), (459, 88323), (499, 81243), (531, 76347), (1003, 40419), (1377, 29441), (1497, 27081), (1593, 25449), (3009, 13473), (4491, 9027), (4779, 8483)]