78556905

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{857}}^1$

素因数の和:975

約数の個数: 64

約数和(自身を含む): 161441280

約数和(自身を除く): 82884375

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 97, 105, 135, 189, 291, 315, 485, 679, 857, 873, 945, 1455, 2037, 2571, 2619, 3395, 4285, 4365, 5999, 6111, 7713, 10185, 12855, 13095, 17997, 18333, 23139, 29995, 30555, 38565, 53991, 83129, 89985, 91665, 115695, 161973, 249387, 269955, 415645, 581903, 748161, 809865, 1246935, 1745709, 2244483, 2909515, 3740805, 5237127, 8728545, 11222415, 15711381, 26185635, 78556905]

約数ペア:

[(1, 78556905), (3, 26185635), (5, 15711381), (7, 11222415), (9, 8728545), (15, 5237127), (21, 3740805), (27, 2909515), (35, 2244483), (45, 1745709), (63, 1246935), (97, 809865), (105, 748161), (135, 581903), (189, 415645), (291, 269955), (315, 249387), (485, 161973), (679, 115695), (857, 91665), (873, 89985), (945, 83129), (1455, 53991), (2037, 38565), (2571, 30555), (2619, 29995), (3395, 23139), (4285, 18333), (4365, 17997), (5999, 13095), (6111, 12855), (7713, 10185)]