839912247

素因数分解:

$3^6\times {\mathrm{37}}^1\times {\mathrm{31139}}^1$

素因数の和:31194

約数の個数: 28

約数和(自身を含む): 1293368760

約数和(自身を除く): 453456513

約数列:

[1, 3, 9, 27, 37, 81, 111, 243, 333, 729, 999, 2997, 8991, 26973, 31139, 93417, 280251, 840753, 1152143, 2522259, 3456429, 7566777, 10369287, 22700331, 31107861, 93323583, 279970749, 839912247]

約数ペア:

[(1, 839912247), (3, 279970749), (9, 93323583), (27, 31107861), (37, 22700331), (81, 10369287), (111, 7566777), (243, 3456429), (333, 2522259), (729, 1152143), (999, 840753), (2997, 280251), (8991, 93417), (26973, 31139)]