1209947193

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{16981}}^1$

素因数の和:17039

約数の個数: 64

約数和(自身を含む): 2282380800

約数和(自身を除く): 1072433607

約数列:

[1, 3, 7, 9, 13, 21, 27, 29, 39, 63, 87, 91, 117, 189, 203, 261, 273, 351, 377, 609, 783, 819, 1131, 1827, 2457, 2639, 3393, 5481, 7917, 10179, 16981, 23751, 50943, 71253, 118867, 152829, 220753, 356601, 458487, 492449, 662259, 1069803, 1477347, 1545271, 1986777, 3209409, 3447143, 4432041, 4635813, 5960331, 6401837, 10341429, 13296123, 13907439, 19205511, 31024287, 41722317, 44812859, 57616533, 93072861, 134438577, 172849599, 403315731, 1209947193]

約数ペア:

[(1, 1209947193), (3, 403315731), (7, 172849599), (9, 134438577), (13, 93072861), (21, 57616533), (27, 44812859), (29, 41722317), (39, 31024287), (63, 19205511), (87, 13907439), (91, 13296123), (117, 10341429), (189, 6401837), (203, 5960331), (261, 4635813), (273, 4432041), (351, 3447143), (377, 3209409), (609, 1986777), (783, 1545271), (819, 1477347), (1131, 1069803), (1827, 662259), (2457, 492449), (2639, 458487), (3393, 356601), (5481, 220753), (7917, 152829), (10179, 118867), (16981, 71253), (23751, 50943)]