2221425

素因数分解:

$3^4\times 5^2\times {\mathrm{1097}}^1$

素因数の和:1119

約数の個数: 30

約数和(自身を含む): 4118598

約数和(自身を除く): 1897173

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 1097, 2025, 3291, 5485, 9873, 16455, 27425, 29619, 49365, 82275, 88857, 148095, 246825, 444285, 740475, 2221425]

約数ペア:

[(1, 2221425), (3, 740475), (5, 444285), (9, 246825), (15, 148095), (25, 88857), (27, 82275), (45, 49365), (75, 29619), (81, 27425), (135, 16455), (225, 9873), (405, 5485), (675, 3291), (1097, 2025)]