51130305

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{22279}}^1$

素因数の和:22310

約数の個数: 32

約数和(自身を含む): 96249600

約数和(自身を除く): 45119295

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 22279, 66837, 111395, 200511, 334185, 378743, 601533, 1002555, 1136229, 1893715, 3007665, 3408687, 5681145, 10226061, 17043435, 51130305]

約数ペア:

[(1, 51130305), (3, 17043435), (5, 10226061), (9, 5681145), (15, 3408687), (17, 3007665), (27, 1893715), (45, 1136229), (51, 1002555), (85, 601533), (135, 378743), (153, 334185), (255, 200511), (459, 111395), (765, 66837), (2295, 22279)]