245450145

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1\times {\mathrm{863}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 400453632

約数和(自身を除く): 155003487

約数列:

[1, 3, 5, 15, 67, 201, 283, 335, 849, 863, 1005, 1415, 2589, 4245, 4315, 12945, 18961, 56883, 57821, 94805, 173463, 244229, 284415, 289105, 732687, 867315, 1221145, 3663435, 16363343, 49090029, 81816715, 245450145]

約数ペア:

[(1, 245450145), (3, 81816715), (5, 49090029), (15, 16363343), (67, 3663435), (201, 1221145), (283, 867315), (335, 732687), (849, 289105), (863, 284415), (1005, 244229), (1415, 173463), (2589, 94805), (4245, 57821), (4315, 56883), (12945, 18961)]