39921951

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 58475520

約数和(自身を除く): 18553569

約数列:

[1, 3, 23, 29, 69, 71, 87, 213, 281, 667, 843, 1633, 2001, 2059, 4899, 6177, 6463, 8149, 19389, 19951, 24447, 47357, 59853, 142071, 187427, 458873, 562281, 578579, 1376619, 1735737, 13307317, 39921951]

約数ペア:

[(1, 39921951), (3, 13307317), (23, 1735737), (29, 1376619), (69, 578579), (71, 562281), (87, 458873), (213, 187427), (281, 142071), (667, 59853), (843, 47357), (1633, 24447), (2001, 19951), (2059, 19389), (4899, 8149), (6177, 6463)]