56748321

素因数分解:

$3^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{593}}^1$

素因数の和:651

約数の個数: 48

約数和(自身を含む): 98841600

約数和(自身を除く): 42093279

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 93, 147, 217, 279, 343, 441, 593, 651, 1029, 1519, 1779, 1953, 3087, 4151, 4557, 5337, 10633, 12453, 13671, 18383, 29057, 31899, 37359, 55149, 87171, 95697, 128681, 165447, 203399, 261513, 386043, 610197, 900767, 1158129, 1830591, 2702301, 6305369, 8106903, 18916107, 56748321]

約数ペア:

[(1, 56748321), (3, 18916107), (7, 8106903), (9, 6305369), (21, 2702301), (31, 1830591), (49, 1158129), (63, 900767), (93, 610197), (147, 386043), (217, 261513), (279, 203399), (343, 165447), (441, 128681), (593, 95697), (651, 87171), (1029, 55149), (1519, 37359), (1779, 31899), (1953, 29057), (3087, 18383), (4151, 13671), (4557, 12453), (5337, 10633)]