28494747

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:225

約数の個数: 40

約数和(自身を含む): 44411840

約数和(自身を除く): 15917093

約数列:

[1, 3, 9, 27, 61, 73, 79, 81, 183, 219, 237, 549, 657, 711, 1647, 1971, 2133, 4453, 4819, 4941, 5767, 5913, 6399, 13359, 14457, 17301, 40077, 43371, 51903, 120231, 130113, 155709, 351787, 360693, 390339, 467127, 1055361, 3166083, 9498249, 28494747]

約数ペア:

[(1, 28494747), (3, 9498249), (9, 3166083), (27, 1055361), (61, 467127), (73, 390339), (79, 360693), (81, 351787), (183, 155709), (219, 130113), (237, 120231), (549, 51903), (657, 43371), (711, 40077), (1647, 17301), (1971, 14457), (2133, 13359), (4453, 6399), (4819, 5913), (4941, 5767)]