2017790217

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{857}}^1$

素因数の和:1023

約数の個数: 64

約数和(自身を含む): 3228825600

約数和(自身を除く): 1211035383

約数列:

[1, 3, 9, 27, 29, 31, 87, 93, 97, 261, 279, 291, 783, 837, 857, 873, 899, 2571, 2619, 2697, 2813, 3007, 7713, 8091, 8439, 9021, 23139, 24273, 24853, 25317, 26567, 27063, 74559, 75951, 79701, 81189, 83129, 87203, 223677, 239103, 249387, 261609, 671031, 717309, 748161, 770443, 784827, 2244483, 2311329, 2354481, 2410741, 2576999, 6933987, 7232223, 7730997, 20801961, 21696669, 23192991, 65090007, 69578973, 74732971, 224198913, 672596739, 2017790217]

約数ペア:

[(1, 2017790217), (3, 672596739), (9, 224198913), (27, 74732971), (29, 69578973), (31, 65090007), (87, 23192991), (93, 21696669), (97, 20801961), (261, 7730997), (279, 7232223), (291, 6933987), (783, 2576999), (837, 2410741), (857, 2354481), (873, 2311329), (899, 2244483), (2571, 784827), (2619, 770443), (2697, 748161), (2813, 717309), (3007, 671031), (7713, 261609), (8091, 249387), (8439, 239103), (9021, 223677), (23139, 87203), (24273, 83129), (24853, 81189), (25317, 79701), (26567, 75951), (27063, 74559)]