268783209

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 422547840

約数和(自身を除く): 153764631

約数列:

[1, 3, 9, 17, 51, 71, 109, 153, 213, 227, 327, 639, 681, 981, 1207, 1853, 2043, 3621, 3859, 5559, 7739, 10863, 11577, 16117, 16677, 23217, 24743, 34731, 48351, 69651, 74229, 131563, 145053, 222687, 273989, 394689, 420631, 821967, 1184067, 1261893, 1756753, 2465901, 3785679, 5270259, 15810777, 29864801, 89594403, 268783209]

約数ペア:

[(1, 268783209), (3, 89594403), (9, 29864801), (17, 15810777), (51, 5270259), (71, 3785679), (109, 2465901), (153, 1756753), (213, 1261893), (227, 1184067), (327, 821967), (639, 420631), (681, 394689), (981, 273989), (1207, 222687), (1853, 145053), (2043, 131563), (3621, 74229), (3859, 69651), (5559, 48351), (7739, 34731), (10863, 24743), (11577, 23217), (16117, 16677)]