28085139

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{347}}^1$

素因数の和:416

約数の個数: 36

約数和(自身を含む): 45031896

約数和(自身を除く): 16946757

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 347, 391, 529, 1041, 1173, 1587, 3123, 3519, 4761, 5899, 7981, 8993, 17697, 23943, 26979, 53091, 71829, 80937, 135677, 183563, 407031, 550689, 1221093, 1652067, 3120571, 9361713, 28085139]

約数ペア:

[(1, 28085139), (3, 9361713), (9, 3120571), (17, 1652067), (23, 1221093), (51, 550689), (69, 407031), (153, 183563), (207, 135677), (347, 80937), (391, 71829), (529, 53091), (1041, 26979), (1173, 23943), (1587, 17697), (3123, 8993), (3519, 7981), (4761, 5899)]