28155105

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2473}}^1$

素因数の和:2518

約数の個数: 48

約数和(自身を含む): 55575936

約数和(自身を除く): 27420831

約数列:

[1, 3, 5, 9, 11, 15, 23, 33, 45, 55, 69, 99, 115, 165, 207, 253, 345, 495, 759, 1035, 1265, 2277, 2473, 3795, 7419, 11385, 12365, 22257, 27203, 37095, 56879, 81609, 111285, 136015, 170637, 244827, 284395, 408045, 511911, 625669, 853185, 1224135, 1877007, 2559555, 3128345, 5631021, 9385035, 28155105]

約数ペア:

[(1, 28155105), (3, 9385035), (5, 5631021), (9, 3128345), (11, 2559555), (15, 1877007), (23, 1224135), (33, 853185), (45, 625669), (55, 511911), (69, 408045), (99, 284395), (115, 244827), (165, 170637), (207, 136015), (253, 111285), (345, 81609), (495, 56879), (759, 37095), (1035, 27203), (1265, 22257), (2277, 12365), (2473, 11385), (3795, 7419)]