81028395

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3623}}^1$

素因数の和:3712

約数の個数: 48

約数和(自身を含む): 162819072

約数和(自身を除く): 81790677

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 71, 105, 213, 315, 355, 497, 639, 1065, 1491, 2485, 3195, 3623, 4473, 7455, 10869, 18115, 22365, 25361, 32607, 54345, 76083, 126805, 163035, 228249, 257233, 380415, 771699, 1141245, 1286165, 1800631, 2315097, 3858495, 5401893, 9003155, 11575485, 16205679, 27009465, 81028395]

約数ペア:

[(1, 81028395), (3, 27009465), (5, 16205679), (7, 11575485), (9, 9003155), (15, 5401893), (21, 3858495), (35, 2315097), (45, 1800631), (63, 1286165), (71, 1141245), (105, 771699), (213, 380415), (315, 257233), (355, 228249), (497, 163035), (639, 126805), (1065, 76083), (1491, 54345), (2485, 32607), (3195, 25361), (3623, 22365), (4473, 18115), (7455, 10869)]