247686543

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{677}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 399803040

約数和(自身を除く): 152116497

約数列:

[1, 3, 9, 13, 39, 53, 59, 117, 159, 177, 477, 531, 677, 689, 767, 2031, 2067, 2301, 3127, 6093, 6201, 6903, 8801, 9381, 26403, 28143, 35881, 39943, 40651, 79209, 107643, 119829, 121953, 322929, 359487, 365859, 466453, 519259, 1399359, 1557777, 2116979, 4198077, 4673331, 6350937, 19052811, 27520727, 82562181, 247686543]

約数ペア:

[(1, 247686543), (3, 82562181), (9, 27520727), (13, 19052811), (39, 6350937), (53, 4673331), (59, 4198077), (117, 2116979), (159, 1557777), (177, 1399359), (477, 519259), (531, 466453), (677, 365859), (689, 359487), (767, 322929), (2031, 121953), (2067, 119829), (2301, 107643), (3127, 79209), (6093, 40651), (6201, 39943), (6903, 35881), (8801, 28143), (9381, 26403)]