211067829

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:539

約数の個数: 64

約数和(自身を含む): 374438400

約数和(自身を除く): 163370571

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 97, 189, 203, 261, 291, 397, 609, 679, 783, 873, 1191, 1827, 2037, 2619, 2779, 2813, 3573, 5481, 6111, 8337, 8439, 10719, 11513, 18333, 19691, 25011, 25317, 34539, 38509, 59073, 75033, 75951, 80591, 103617, 115527, 177219, 241773, 269563, 310851, 346581, 531657, 725319, 808689, 1039743, 1116761, 2175957, 2426067, 3350283, 7278201, 7817327, 10050849, 23451981, 30152547, 70355943, 211067829]

約数ペア:

[(1, 211067829), (3, 70355943), (7, 30152547), (9, 23451981), (21, 10050849), (27, 7817327), (29, 7278201), (63, 3350283), (87, 2426067), (97, 2175957), (189, 1116761), (203, 1039743), (261, 808689), (291, 725319), (397, 531657), (609, 346581), (679, 310851), (783, 269563), (873, 241773), (1191, 177219), (1827, 115527), (2037, 103617), (2619, 80591), (2779, 75951), (2813, 75033), (3573, 59073), (5481, 38509), (6111, 34539), (8337, 25317), (8439, 25011), (10719, 19691), (11513, 18333)]