28725915

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{283}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 47275776

約数和(自身を除く): 18549861

約数列:

[1, 3, 5, 15, 67, 101, 201, 283, 303, 335, 505, 849, 1005, 1415, 1515, 4245, 6767, 18961, 20301, 28583, 33835, 56883, 85749, 94805, 101505, 142915, 284415, 428745, 1915061, 5745183, 9575305, 28725915]

約数ペア:

[(1, 28725915), (3, 9575305), (5, 5745183), (15, 1915061), (67, 428745), (101, 284415), (201, 142915), (283, 101505), (303, 94805), (335, 85749), (505, 56883), (849, 33835), (1005, 28583), (1415, 20301), (1515, 18961), (4245, 6767)]