27851525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^2$

素因数の和:182

約数の個数: 36

約数和(自身を含む): 39942756

約数和(自身を除く): 12091231

約数列:

[1, 5, 13, 17, 25, 65, 71, 85, 221, 325, 355, 425, 923, 1105, 1207, 1775, 4615, 5041, 5525, 6035, 15691, 23075, 25205, 30175, 65533, 78455, 85697, 126025, 327665, 392275, 428485, 1114061, 1638325, 2142425, 5570305, 27851525]

約数ペア:

[(1, 27851525), (5, 5570305), (13, 2142425), (17, 1638325), (25, 1114061), (65, 428485), (71, 392275), (85, 327665), (221, 126025), (325, 85697), (355, 78455), (425, 65533), (923, 30175), (1105, 25205), (1207, 23075), (1775, 15691), (4615, 6035), (5041, 5525)]