289942905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1279}}^1$

素因数の和:1438

約数の個数: 64

約数和(自身を含む): 566231040

約数和(自身を除く): 276288135

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 127, 255, 357, 381, 595, 635, 889, 1279, 1785, 1905, 2159, 2667, 3837, 4445, 6395, 6477, 8953, 10795, 13335, 15113, 19185, 21743, 26859, 32385, 44765, 45339, 65229, 75565, 108715, 134295, 152201, 162433, 226695, 326145, 456603, 487299, 761005, 812165, 1137031, 2283015, 2436495, 2761361, 3411093, 5685155, 8284083, 13806805, 17055465, 19329527, 41420415, 57988581, 96647635, 289942905]

約数ペア:

[(1, 289942905), (3, 96647635), (5, 57988581), (7, 41420415), (15, 19329527), (17, 17055465), (21, 13806805), (35, 8284083), (51, 5685155), (85, 3411093), (105, 2761361), (119, 2436495), (127, 2283015), (255, 1137031), (357, 812165), (381, 761005), (595, 487299), (635, 456603), (889, 326145), (1279, 226695), (1785, 162433), (1905, 152201), (2159, 134295), (2667, 108715), (3837, 75565), (4445, 65229), (6395, 45339), (6477, 44765), (8953, 32385), (10795, 26859), (13335, 21743), (15113, 19185)]