66505455

素因数分解:

$3^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{431}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 120766464

約数和(自身を除く): 54261009

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 127, 135, 243, 381, 405, 431, 635, 1143, 1215, 1293, 1905, 2155, 3429, 3879, 5715, 6465, 10287, 11637, 17145, 19395, 30861, 34911, 51435, 54737, 58185, 104733, 154305, 164211, 174555, 273685, 492633, 523665, 821055, 1477899, 2463165, 4433697, 7389495, 13301091, 22168485, 66505455]

約数ペア:

[(1, 66505455), (3, 22168485), (5, 13301091), (9, 7389495), (15, 4433697), (27, 2463165), (45, 1477899), (81, 821055), (127, 523665), (135, 492633), (243, 273685), (381, 174555), (405, 164211), (431, 154305), (635, 104733), (1143, 58185), (1215, 54737), (1293, 51435), (1905, 34911), (2155, 30861), (3429, 19395), (3879, 17145), (5715, 11637), (6465, 10287)]