16803325

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:107

約数の個数: 72

約数和(自身を含む): 27989280

約数和(自身を除く): 11185955

約数列:

[1, 5, 7, 11, 25, 29, 35, 43, 49, 55, 77, 145, 175, 203, 215, 245, 275, 301, 319, 385, 473, 539, 725, 1015, 1075, 1225, 1247, 1421, 1505, 1595, 1925, 2107, 2233, 2365, 2695, 3311, 5075, 6235, 7105, 7525, 7975, 8729, 10535, 11165, 11825, 13475, 13717, 15631, 16555, 23177, 31175, 35525, 43645, 52675, 55825, 61103, 68585, 78155, 82775, 96019, 115885, 218225, 305515, 342925, 390775, 480095, 579425, 672133, 1527575, 2400475, 3360665, 16803325]

約数ペア:

[(1, 16803325), (5, 3360665), (7, 2400475), (11, 1527575), (25, 672133), (29, 579425), (35, 480095), (43, 390775), (49, 342925), (55, 305515), (77, 218225), (145, 115885), (175, 96019), (203, 82775), (215, 78155), (245, 68585), (275, 61103), (301, 55825), (319, 52675), (385, 43645), (473, 35525), (539, 31175), (725, 23177), (1015, 16555), (1075, 15631), (1225, 13717), (1247, 13475), (1421, 11825), (1505, 11165), (1595, 10535), (1925, 8729), (2107, 7975), (2233, 7525), (2365, 7105), (2695, 6235), (3311, 5075)]