2017305

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1$

素因数の和:327

約数の個数: 40

約数和(自身を含む): 3841992

約数和(自身を除く): 1824687

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 293, 405, 459, 765, 879, 1377, 1465, 2295, 2637, 4395, 4981, 6885, 7911, 13185, 14943, 23733, 24905, 39555, 44829, 74715, 118665, 134487, 224145, 403461, 672435, 2017305]

約数ペア:

[(1, 2017305), (3, 672435), (5, 403461), (9, 224145), (15, 134487), (17, 118665), (27, 74715), (45, 44829), (51, 39555), (81, 24905), (85, 23733), (135, 14943), (153, 13185), (255, 7911), (293, 6885), (405, 4981), (459, 4395), (765, 2637), (879, 2295), (1377, 1465)]