127647531

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 210094560

約数和(自身を除く): 82447029

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 173, 257, 261, 319, 519, 771, 957, 1557, 1903, 2313, 2827, 2871, 5017, 5709, 7453, 8481, 15051, 17127, 22359, 25443, 44461, 45153, 55187, 67077, 81983, 133383, 165561, 245949, 400149, 489071, 496683, 737847, 1289369, 1467213, 3868107, 4401639, 11604321, 14183059, 42549177, 127647531]

約数ペア:

[(1, 127647531), (3, 42549177), (9, 14183059), (11, 11604321), (29, 4401639), (33, 3868107), (87, 1467213), (99, 1289369), (173, 737847), (257, 496683), (261, 489071), (319, 400149), (519, 245949), (771, 165561), (957, 133383), (1557, 81983), (1903, 67077), (2313, 55187), (2827, 45153), (2871, 44461), (5017, 25443), (5709, 22359), (7453, 17127), (8481, 15051)]