28556451

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{463}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 52116480

約数和(自身を除く): 23560029

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 89, 99, 231, 267, 463, 623, 693, 801, 979, 1389, 1869, 2937, 3241, 4167, 5093, 5607, 6853, 8811, 9723, 15279, 20559, 29169, 35651, 41207, 45837, 61677, 106953, 123621, 288449, 320859, 370863, 453277, 865347, 1359831, 2596041, 3172939, 4079493, 9518817, 28556451]

約数ペア:

[(1, 28556451), (3, 9518817), (7, 4079493), (9, 3172939), (11, 2596041), (21, 1359831), (33, 865347), (63, 453277), (77, 370863), (89, 320859), (99, 288449), (231, 123621), (267, 106953), (463, 61677), (623, 45837), (693, 41207), (801, 35651), (979, 29169), (1389, 20559), (1869, 15279), (2937, 9723), (3241, 8811), (4167, 6853), (5093, 5607)]