81720366

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1543}}^1$

素因数の和:1665

約数の個数: 64

約数和(自身を含む): 203363328

約数和(自身を除く): 121642962

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 97, 182, 194, 273, 291, 546, 582, 679, 1261, 1358, 1543, 2037, 2522, 3086, 3783, 4074, 4629, 7566, 8827, 9258, 10801, 17654, 20059, 21602, 26481, 32403, 40118, 52962, 60177, 64806, 120354, 140413, 149671, 280826, 299342, 421239, 449013, 842478, 898026, 1047697, 1945723, 2095394, 3143091, 3891446, 5837169, 6286182, 11674338, 13620061, 27240122, 40860183, 81720366]

約数ペア:

[(1, 81720366), (2, 40860183), (3, 27240122), (6, 13620061), (7, 11674338), (13, 6286182), (14, 5837169), (21, 3891446), (26, 3143091), (39, 2095394), (42, 1945723), (78, 1047697), (91, 898026), (97, 842478), (182, 449013), (194, 421239), (273, 299342), (291, 280826), (546, 149671), (582, 140413), (679, 120354), (1261, 64806), (1358, 60177), (1543, 52962), (2037, 40118), (2522, 32403), (3086, 26481), (3783, 21602), (4074, 20059), (4629, 17654), (7566, 10801), (8827, 9258)]