61687305

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26879}}^1$

素因数の和:26910

約数の個数: 32

約数和(自身を含む): 116121600

約数和(自身を除く): 54434295

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 26879, 80637, 134395, 241911, 403185, 456943, 725733, 1209555, 1370829, 2284715, 3628665, 4112487, 6854145, 12337461, 20562435, 61687305]

約数ペア:

[(1, 61687305), (3, 20562435), (5, 12337461), (9, 6854145), (15, 4112487), (17, 3628665), (27, 2284715), (45, 1370829), (51, 1209555), (85, 725733), (135, 456943), (153, 403185), (255, 241911), (459, 134395), (765, 80637), (2295, 26879)]