28008057

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17321}}^1$

素因数の和:17349

約数の個数: 24

約数和(自身を含む): 47392992

約数和(自身を除く): 19384935

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 17321, 51963, 121247, 190531, 363741, 571593, 848729, 1333717, 2546187, 4001151, 9336019, 28008057]

約数ペア:

[(1, 28008057), (3, 9336019), (7, 4001151), (11, 2546187), (21, 1333717), (33, 848729), (49, 571593), (77, 363741), (147, 190531), (231, 121247), (539, 51963), (1617, 17321)]