16671681

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:242

約数の個数: 36

約数和(自身を含む): 26578188

約数和(自身を除く): 9906507

約数列:

[1, 3, 9, 13, 39, 97, 113, 117, 169, 291, 339, 507, 873, 1017, 1261, 1469, 1521, 3783, 4407, 10961, 11349, 13221, 16393, 19097, 32883, 49179, 57291, 98649, 142493, 147537, 171873, 427479, 1282437, 1852409, 5557227, 16671681]

約数ペア:

[(1, 16671681), (3, 5557227), (9, 1852409), (13, 1282437), (39, 427479), (97, 171873), (113, 147537), (117, 142493), (169, 98649), (291, 57291), (339, 49179), (507, 32883), (873, 19097), (1017, 16393), (1261, 13221), (1469, 11349), (1521, 10961), (3783, 4407)]