28370385

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9137}}^1$

素因数の和:9174

約数の個数: 32

約数和(自身を含む): 52634880

約数和(自身を除く): 24264495

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 9137, 27411, 45685, 82233, 137055, 210151, 246699, 411165, 630453, 1050755, 1233495, 1891359, 3152265, 5674077, 9456795, 28370385]

約数ペア:

[(1, 28370385), (3, 9456795), (5, 5674077), (9, 3152265), (15, 1891359), (23, 1233495), (27, 1050755), (45, 630453), (69, 411165), (115, 246699), (135, 210151), (207, 137055), (345, 82233), (621, 45685), (1035, 27411), (3105, 9137)]