80017725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{647}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 141740928

約数和(自身を除く): 61723203

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 97, 255, 291, 425, 485, 647, 1275, 1455, 1649, 1941, 2425, 3235, 4947, 7275, 8245, 9705, 10999, 16175, 24735, 32997, 41225, 48525, 54995, 62759, 123675, 164985, 188277, 274975, 313795, 824925, 941385, 1066903, 1568975, 3200709, 4706925, 5334515, 16003545, 26672575, 80017725]

約数ペア:

[(1, 80017725), (3, 26672575), (5, 16003545), (15, 5334515), (17, 4706925), (25, 3200709), (51, 1568975), (75, 1066903), (85, 941385), (97, 824925), (255, 313795), (291, 274975), (425, 188277), (485, 164985), (647, 123675), (1275, 62759), (1455, 54995), (1649, 48525), (1941, 41225), (2425, 32997), (3235, 24735), (4947, 16175), (7275, 10999), (8245, 9705)]