27989964

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{271}}^1$

素因数の和:451

約数の個数: 72

約数和(自身を含む): 75246080

約数和(自身を除く): 47256116

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 151, 171, 228, 271, 302, 342, 453, 542, 604, 684, 813, 906, 1084, 1359, 1626, 1812, 2439, 2718, 2869, 3252, 4878, 5149, 5436, 5738, 8607, 9756, 10298, 11476, 15447, 17214, 20596, 25821, 30894, 34428, 40921, 46341, 51642, 61788, 81842, 92682, 103284, 122763, 163684, 185364, 245526, 368289, 491052, 736578, 777499, 1473156, 1554998, 2332497, 3109996, 4664994, 6997491, 9329988, 13994982, 27989964]

約数ペア:

[(1, 27989964), (2, 13994982), (3, 9329988), (4, 6997491), (6, 4664994), (9, 3109996), (12, 2332497), (18, 1554998), (19, 1473156), (36, 777499), (38, 736578), (57, 491052), (76, 368289), (114, 245526), (151, 185364), (171, 163684), (228, 122763), (271, 103284), (302, 92682), (342, 81842), (453, 61788), (542, 51642), (604, 46341), (684, 40921), (813, 34428), (906, 30894), (1084, 25821), (1359, 20596), (1626, 17214), (1812, 15447), (2439, 11476), (2718, 10298), (2869, 9756), (3252, 8607), (4878, 5738), (5149, 5436)]