28790475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 59043840

約数和(自身を除く): 30253365

約数列:

[1, 3, 5, 7, 15, 21, 25, 29, 31, 35, 61, 75, 87, 93, 105, 145, 155, 175, 183, 203, 217, 305, 427, 435, 465, 525, 609, 651, 725, 775, 899, 915, 1015, 1085, 1281, 1525, 1769, 1891, 2135, 2175, 2325, 2697, 3045, 3255, 4495, 4575, 5075, 5307, 5425, 5673, 6293, 6405, 8845, 9455, 10675, 12383, 13237, 13485, 15225, 16275, 18879, 22475, 26535, 28365, 31465, 32025, 37149, 39711, 44225, 47275, 54839, 61915, 66185, 67425, 94395, 132675, 141825, 157325, 164517, 185745, 198555, 274195, 309575, 330925, 383873, 471975, 822585, 928725, 992775, 1151619, 1370975, 1919365, 4112925, 5758095, 9596825, 28790475]

約数ペア:

[(1, 28790475), (3, 9596825), (5, 5758095), (7, 4112925), (15, 1919365), (21, 1370975), (25, 1151619), (29, 992775), (31, 928725), (35, 822585), (61, 471975), (75, 383873), (87, 330925), (93, 309575), (105, 274195), (145, 198555), (155, 185745), (175, 164517), (183, 157325), (203, 141825), (217, 132675), (305, 94395), (427, 67425), (435, 66185), (465, 61915), (525, 54839), (609, 47275), (651, 44225), (725, 39711), (775, 37149), (899, 32025), (915, 31465), (1015, 28365), (1085, 26535), (1281, 22475), (1525, 18879), (1769, 16275), (1891, 15225), (2135, 13485), (2175, 13237), (2325, 12383), (2697, 10675), (3045, 9455), (3255, 8845), (4495, 6405), (4575, 6293), (5075, 5673), (5307, 5425)]