389960739

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 713097216

約数和(自身を除く): 323136477

約数列:

[1, 3, 7, 9, 17, 21, 47, 51, 61, 63, 119, 127, 141, 153, 183, 329, 357, 381, 423, 427, 549, 799, 889, 987, 1037, 1071, 1143, 1281, 2159, 2397, 2667, 2867, 2961, 3111, 3843, 5593, 5969, 6477, 7191, 7259, 7747, 8001, 8601, 9333, 15113, 16779, 17907, 19431, 20069, 21777, 23241, 25803, 41783, 45339, 48739, 50337, 53721, 54229, 60207, 65331, 69723, 101473, 125349, 131699, 136017, 146217, 162687, 180621, 304419, 341173, 364109, 376047, 395097, 438651, 488061, 710311, 913257, 921893, 1023519, 1092327, 1185291, 2130933, 2548763, 2765679, 3070557, 3276981, 6189853, 6392799, 7646289, 8297037, 18569559, 22938867, 43328971, 55708677, 129986913, 389960739]

約数ペア:

[(1, 389960739), (3, 129986913), (7, 55708677), (9, 43328971), (17, 22938867), (21, 18569559), (47, 8297037), (51, 7646289), (61, 6392799), (63, 6189853), (119, 3276981), (127, 3070557), (141, 2765679), (153, 2548763), (183, 2130933), (329, 1185291), (357, 1092327), (381, 1023519), (423, 921893), (427, 913257), (549, 710311), (799, 488061), (889, 438651), (987, 395097), (1037, 376047), (1071, 364109), (1143, 341173), (1281, 304419), (2159, 180621), (2397, 162687), (2667, 146217), (2867, 136017), (2961, 131699), (3111, 125349), (3843, 101473), (5593, 69723), (5969, 65331), (6477, 60207), (7191, 54229), (7259, 53721), (7747, 50337), (8001, 48739), (8601, 45339), (9333, 41783), (15113, 25803), (16779, 23241), (17907, 21777), (19431, 20069)]