205458039

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7853}}^1$

素因数の和:7901

約数の個数: 40

約数和(自身を含む): 342120240

約数和(自身を除く): 136662201

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 81, 153, 171, 323, 459, 513, 969, 1377, 1539, 2907, 7853, 8721, 23559, 26163, 70677, 133501, 149207, 212031, 400503, 447621, 636093, 1201509, 1342863, 2536519, 3604527, 4028589, 7609557, 10813581, 12085767, 22828671, 68486013, 205458039]

約数ペア:

[(1, 205458039), (3, 68486013), (9, 22828671), (17, 12085767), (19, 10813581), (27, 7609557), (51, 4028589), (57, 3604527), (81, 2536519), (153, 1342863), (171, 1201509), (323, 636093), (459, 447621), (513, 400503), (969, 212031), (1377, 149207), (1539, 133501), (2907, 70677), (7853, 26163), (8721, 23559)]