853644987

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1109}}^1$

素因数の和:1194

約数の個数: 80

約数和(自身を含む): 1489229280

約数和(自身を除く): 635584293

約数列:

[1, 3, 9, 13, 17, 27, 39, 43, 51, 81, 117, 129, 153, 221, 351, 387, 459, 559, 663, 731, 1053, 1109, 1161, 1377, 1677, 1989, 2193, 3327, 3483, 5031, 5967, 6579, 9503, 9981, 14417, 15093, 17901, 18853, 19737, 28509, 29943, 43251, 45279, 47687, 56559, 59211, 85527, 89829, 129753, 143061, 169677, 245089, 256581, 389259, 429183, 509031, 619931, 735267, 769743, 810679, 1167777, 1287549, 1527093, 1859793, 2205801, 2432037, 3862647, 5579379, 6617403, 7296111, 10538827, 16738137, 19852209, 21888333, 31616481, 50214411, 65664999, 94849443, 284548329, 853644987]

約数ペア:

[(1, 853644987), (3, 284548329), (9, 94849443), (13, 65664999), (17, 50214411), (27, 31616481), (39, 21888333), (43, 19852209), (51, 16738137), (81, 10538827), (117, 7296111), (129, 6617403), (153, 5579379), (221, 3862647), (351, 2432037), (387, 2205801), (459, 1859793), (559, 1527093), (663, 1287549), (731, 1167777), (1053, 810679), (1109, 769743), (1161, 735267), (1377, 619931), (1677, 509031), (1989, 429183), (2193, 389259), (3327, 256581), (3483, 245089), (5031, 169677), (5967, 143061), (6579, 129753), (9503, 89829), (9981, 85527), (14417, 59211), (15093, 56559), (17901, 47687), (18853, 45279), (19737, 43251), (28509, 29943)]