68475915

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29837}}^1$

素因数の和:29868

約数の個数: 32

約数和(自身を含む): 128900160

約数和(自身を除く): 60424245

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 29837, 89511, 149185, 268533, 447555, 507229, 805599, 1342665, 1521687, 2536145, 4027995, 4565061, 7608435, 13695183, 22825305, 68475915]

約数ペア:

[(1, 68475915), (3, 22825305), (5, 13695183), (9, 7608435), (15, 4565061), (17, 4027995), (27, 2536145), (45, 1521687), (51, 1342665), (85, 805599), (135, 507229), (153, 447555), (255, 268533), (459, 149185), (765, 89511), (2295, 29837)]