40811985

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{17783}}^1$

素因数の和:17814

約数の個数: 32

約数和(自身を含む): 76826880

約数和(自身を除く): 36014895

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 17783, 53349, 88915, 160047, 266745, 302311, 480141, 800235, 906933, 1511555, 2400705, 2720799, 4534665, 8162397, 13603995, 40811985]

約数ペア:

[(1, 40811985), (3, 13603995), (5, 8162397), (9, 4534665), (15, 2720799), (17, 2400705), (27, 1511555), (45, 906933), (51, 800235), (85, 480141), (135, 302311), (153, 266745), (255, 160047), (459, 88915), (765, 53349), (2295, 17783)]