51347439

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:91

約数の個数: 90

約数和(自身を含む): 94240608

約数和(自身を除く): 42893169

約数列:

[1, 3, 9, 11, 13, 27, 31, 33, 39, 81, 93, 99, 117, 121, 143, 169, 279, 297, 341, 351, 363, 403, 429, 507, 837, 891, 1023, 1053, 1089, 1209, 1287, 1521, 1573, 1859, 2511, 3069, 3267, 3627, 3751, 3861, 4433, 4563, 4719, 5239, 5577, 9207, 9801, 10881, 11253, 11583, 13299, 13689, 14157, 15717, 16731, 20449, 27621, 32643, 33759, 39897, 42471, 47151, 48763, 50193, 57629, 61347, 101277, 119691, 127413, 141453, 146289, 150579, 172887, 184041, 303831, 359073, 424359, 438867, 518661, 552123, 633919, 1316601, 1555983, 1656369, 1901757, 3949803, 4667949, 5705271, 17115813, 51347439]

約数ペア:

[(1, 51347439), (3, 17115813), (9, 5705271), (11, 4667949), (13, 3949803), (27, 1901757), (31, 1656369), (33, 1555983), (39, 1316601), (81, 633919), (93, 552123), (99, 518661), (117, 438867), (121, 424359), (143, 359073), (169, 303831), (279, 184041), (297, 172887), (341, 150579), (351, 146289), (363, 141453), (403, 127413), (429, 119691), (507, 101277), (837, 61347), (891, 57629), (1023, 50193), (1053, 48763), (1089, 47151), (1209, 42471), (1287, 39897), (1521, 33759), (1573, 32643), (1859, 27621), (2511, 20449), (3069, 16731), (3267, 15717), (3627, 14157), (3751, 13689), (3861, 13299), (4433, 11583), (4563, 11253), (4719, 10881), (5239, 9801), (5577, 9207)]