245996865

素因数分解:

$3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{27197}}^1$

素因数の和:27278

約数の個数: 32

約数和(自身を含む): 443871360

約数和(自身を除く): 197874495

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 135, 201, 335, 603, 1005, 1809, 3015, 9045, 27197, 81591, 135985, 244773, 407955, 734319, 1223865, 1822199, 3671595, 5466597, 9110995, 16399791, 27332985, 49199373, 81998955, 245996865]

約数ペア:

[(1, 245996865), (3, 81998955), (5, 49199373), (9, 27332985), (15, 16399791), (27, 9110995), (45, 5466597), (67, 3671595), (135, 1822199), (201, 1223865), (335, 734319), (603, 407955), (1005, 244773), (1809, 135985), (3015, 81591), (9045, 27197)]