81306435

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{15803}}^1$

素因数の和:15832

約数の個数: 32

約数和(自身を含む): 151718400

約数和(自身を除く): 70411965

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 5145, 15803, 47409, 79015, 110621, 237045, 331863, 553105, 774347, 1659315, 2323041, 3871735, 5420429, 11615205, 16261287, 27102145, 81306435]

約数ペア:

[(1, 81306435), (3, 27102145), (5, 16261287), (7, 11615205), (15, 5420429), (21, 3871735), (35, 2323041), (49, 1659315), (105, 774347), (147, 553105), (245, 331863), (343, 237045), (735, 110621), (1029, 79015), (1715, 47409), (5145, 15803)]