205904156787

素因数分解:

$3^6\times 7^1\times {\mathrm{2213}}^1\times {\mathrm{18233}}^1$

素因数の和:20471

約数の個数: 56

約数和(自身を含む): 352995944544

約数和(自身を除く): 147091787757

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 2213, 5103, 6639, 15491, 18233, 19917, 46473, 54699, 59751, 127631, 139419, 164097, 179253, 382893, 418257, 492291, 537759, 1148679, 1254771, 1476873, 1613277, 3446037, 3764313, 4430619, 10338111, 11292939, 13291857, 31014333, 40349629, 93042999, 121048887, 282447403, 363146661, 847342209, 1089439983, 2542026627, 3268319949, 7626079881, 9804959847, 22878239643, 29414879541, 68634718929, 205904156787]

約数ペア:

[(1, 205904156787), (3, 68634718929), (7, 29414879541), (9, 22878239643), (21, 9804959847), (27, 7626079881), (63, 3268319949), (81, 2542026627), (189, 1089439983), (243, 847342209), (567, 363146661), (729, 282447403), (1701, 121048887), (2213, 93042999), (5103, 40349629), (6639, 31014333), (15491, 13291857), (18233, 11292939), (19917, 10338111), (46473, 4430619), (54699, 3764313), (59751, 3446037), (127631, 1613277), (139419, 1476873), (164097, 1254771), (179253, 1148679), (382893, 537759), (418257, 492291)]