217103679

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 362185600

約数和(自身を除く): 145081921

約数列:

[1, 3, 9, 13, 27, 37, 39, 73, 111, 117, 219, 229, 333, 351, 481, 657, 687, 949, 999, 1443, 1971, 2061, 2701, 2847, 2977, 4329, 6183, 8103, 8473, 8541, 8931, 12987, 16717, 24309, 25419, 25623, 26793, 35113, 50151, 72927, 76257, 80379, 105339, 110149, 150453, 217321, 228771, 316017, 330447, 451359, 618529, 651963, 948051, 991341, 1855587, 1955889, 2974023, 5566761, 5867667, 8040877, 16700283, 24122631, 72367893, 217103679]

約数ペア:

[(1, 217103679), (3, 72367893), (9, 24122631), (13, 16700283), (27, 8040877), (37, 5867667), (39, 5566761), (73, 2974023), (111, 1955889), (117, 1855587), (219, 991341), (229, 948051), (333, 651963), (351, 618529), (481, 451359), (657, 330447), (687, 316017), (949, 228771), (999, 217321), (1443, 150453), (1971, 110149), (2061, 105339), (2701, 80379), (2847, 76257), (2977, 72927), (4329, 50151), (6183, 35113), (8103, 26793), (8473, 25623), (8541, 25419), (8931, 24309), (12987, 16717)]