81409335

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{15823}}^1$

素因数の和:15852

約数の個数: 32

約数和(自身を含む): 151910400

約数和(自身を除く): 70501065

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 5145, 15823, 47469, 79115, 110761, 237345, 332283, 553805, 775327, 1661415, 2325981, 3876635, 5427289, 11629905, 16281867, 27136445, 81409335]

約数ペア:

[(1, 81409335), (3, 27136445), (5, 16281867), (7, 11629905), (15, 5427289), (21, 3876635), (35, 2325981), (49, 1661415), (105, 775327), (147, 553805), (245, 332283), (343, 237345), (735, 110761), (1029, 79115), (1715, 47469), (5145, 15823)]