247283985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{4481}}^1$

素因数の和:4785

約数の個数: 32

約数和(自身を含む): 427690368

約数和(自身を除く): 180406383

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 283, 849, 1415, 3679, 4245, 4481, 11037, 13443, 18395, 22405, 55185, 58253, 67215, 174759, 291265, 873795, 1268123, 3804369, 6340615, 16485599, 19021845, 49456797, 82427995, 247283985]

約数ペア:

[(1, 247283985), (3, 82427995), (5, 49456797), (13, 19021845), (15, 16485599), (39, 6340615), (65, 3804369), (195, 1268123), (283, 873795), (849, 291265), (1415, 174759), (3679, 67215), (4245, 58253), (4481, 55185), (11037, 22405), (13443, 18395)]