26986155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 50883840

約数和(自身を除く): 23897685

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 139, 215, 301, 417, 645, 695, 903, 973, 1505, 1849, 2085, 2919, 4515, 4865, 5547, 5977, 9245, 12943, 14595, 17931, 27735, 29885, 38829, 41839, 64715, 89655, 125517, 194145, 209195, 257011, 627585, 771033, 1285055, 1799077, 3855165, 5397231, 8995385, 26986155]

約数ペア:

[(1, 26986155), (3, 8995385), (5, 5397231), (7, 3855165), (15, 1799077), (21, 1285055), (35, 771033), (43, 627585), (105, 257011), (129, 209195), (139, 194145), (215, 125517), (301, 89655), (417, 64715), (645, 41839), (695, 38829), (903, 29885), (973, 27735), (1505, 17931), (1849, 14595), (2085, 12943), (2919, 9245), (4515, 5977), (4865, 5547)]