66787305

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20147}}^1$

素因数の和:20185

約数の個数: 32

約数和(自身を含む): 121855104

約数和(自身を除く): 55067799

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 20147, 60441, 100735, 261911, 302205, 342499, 785733, 1027497, 1309555, 1712495, 3928665, 4452487, 5137485, 13357461, 22262435, 66787305]

約数ペア:

[(1, 66787305), (3, 22262435), (5, 13357461), (13, 5137485), (15, 4452487), (17, 3928665), (39, 1712495), (51, 1309555), (65, 1027497), (85, 785733), (195, 342499), (221, 302205), (255, 261911), (663, 100735), (1105, 60441), (3315, 20147)]