287788995

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:413

約数の個数: 96

約数和(自身を含む): 570181248

約数和(自身を除く): 282392253

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 73, 115, 117, 195, 207, 219, 293, 299, 345, 365, 585, 657, 879, 897, 949, 1035, 1095, 1465, 1495, 1679, 2637, 2691, 2847, 3285, 3809, 4395, 4485, 4745, 5037, 6739, 8395, 8541, 11427, 13185, 13455, 14235, 15111, 19045, 20217, 21389, 21827, 25185, 33695, 34281, 42705, 57135, 60651, 64167, 65481, 75555, 87607, 101085, 106945, 109135, 171405, 192501, 196443, 262821, 278057, 303255, 320835, 327405, 438035, 491947, 788463, 834171, 962505, 982215, 1314105, 1390285, 1475841, 2459735, 2502513, 3942315, 4170855, 4427523, 6395311, 7379205, 12512565, 19185933, 22137615, 31976555, 57557799, 95929665, 287788995]

約数ペア:

[(1, 287788995), (3, 95929665), (5, 57557799), (9, 31976555), (13, 22137615), (15, 19185933), (23, 12512565), (39, 7379205), (45, 6395311), (65, 4427523), (69, 4170855), (73, 3942315), (115, 2502513), (117, 2459735), (195, 1475841), (207, 1390285), (219, 1314105), (293, 982215), (299, 962505), (345, 834171), (365, 788463), (585, 491947), (657, 438035), (879, 327405), (897, 320835), (949, 303255), (1035, 278057), (1095, 262821), (1465, 196443), (1495, 192501), (1679, 171405), (2637, 109135), (2691, 106945), (2847, 101085), (3285, 87607), (3809, 75555), (4395, 65481), (4485, 64167), (4745, 60651), (5037, 57135), (6739, 42705), (8395, 34281), (8541, 33695), (11427, 25185), (13185, 21827), (13455, 21389), (14235, 20217), (15111, 19045)]