66170715

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19961}}^1$

素因数の和:19999

約数の個数: 32

約数和(自身を含む): 120730176

約数和(自身を除く): 54559461

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 19961, 59883, 99805, 259493, 299415, 339337, 778479, 1018011, 1297465, 1696685, 3892395, 4411381, 5090055, 13234143, 22056905, 66170715]

約数ペア:

[(1, 66170715), (3, 22056905), (5, 13234143), (13, 5090055), (15, 4411381), (17, 3892395), (39, 1696685), (51, 1297465), (65, 1018011), (85, 778479), (195, 339337), (221, 299415), (255, 259493), (663, 99805), (1105, 59883), (3315, 19961)]