191902239

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 305173440

約数和(自身を除く): 113271201

約数列:

[1, 3, 9, 17, 37, 51, 109, 111, 153, 311, 327, 333, 629, 933, 981, 1853, 1887, 2799, 4033, 5287, 5559, 5661, 11507, 12099, 15861, 16677, 33899, 34521, 36297, 47583, 68561, 101697, 103563, 195619, 205683, 305091, 576283, 586857, 617049, 1254263, 1728849, 1760571, 3762789, 5186547, 11288367, 21322471, 63967413, 191902239]

約数ペア:

[(1, 191902239), (3, 63967413), (9, 21322471), (17, 11288367), (37, 5186547), (51, 3762789), (109, 1760571), (111, 1728849), (153, 1254263), (311, 617049), (327, 586857), (333, 576283), (629, 305091), (933, 205683), (981, 195619), (1853, 103563), (1887, 101697), (2799, 68561), (4033, 47583), (5287, 36297), (5559, 34521), (5661, 33899), (11507, 16677), (12099, 15861)]