28984725

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1$

素因数の和:280

約数の個数: 108

約数和(自身を含む): 66156480

約数和(自身を除く): 37171755

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 25, 33, 35, 45, 49, 55, 63, 75, 77, 99, 105, 147, 165, 175, 225, 231, 239, 245, 275, 315, 385, 441, 495, 525, 539, 693, 717, 735, 825, 1155, 1195, 1225, 1575, 1617, 1673, 1925, 2151, 2205, 2475, 2629, 2695, 3465, 3585, 3675, 4851, 5019, 5775, 5975, 7887, 8085, 8365, 10755, 11025, 11711, 13145, 13475, 15057, 17325, 17925, 18403, 23661, 24255, 25095, 35133, 39435, 40425, 41825, 53775, 55209, 58555, 65725, 75285, 92015, 105399, 118305, 121275, 125475, 128821, 165627, 175665, 197175, 276045, 292775, 376425, 386463, 460075, 526995, 591525, 644105, 828135, 878325, 1159389, 1380225, 1932315, 2634975, 3220525, 4140675, 5796945, 9661575, 28984725]

約数ペア:

[(1, 28984725), (3, 9661575), (5, 5796945), (7, 4140675), (9, 3220525), (11, 2634975), (15, 1932315), (21, 1380225), (25, 1159389), (33, 878325), (35, 828135), (45, 644105), (49, 591525), (55, 526995), (63, 460075), (75, 386463), (77, 376425), (99, 292775), (105, 276045), (147, 197175), (165, 175665), (175, 165627), (225, 128821), (231, 125475), (239, 121275), (245, 118305), (275, 105399), (315, 92015), (385, 75285), (441, 65725), (495, 58555), (525, 55209), (539, 53775), (693, 41825), (717, 40425), (735, 39435), (825, 35133), (1155, 25095), (1195, 24255), (1225, 23661), (1575, 18403), (1617, 17925), (1673, 17325), (1925, 15057), (2151, 13475), (2205, 13145), (2475, 11711), (2629, 11025), (2695, 10755), (3465, 8365), (3585, 8085), (3675, 7887), (4851, 5975), (5019, 5775)]