388302291

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{21139}}^1$

素因数の和:21315

約数の個数: 24

約数和(自身を含む): 607901840

約数和(自身を除く): 219599549

約数列:

[1, 3, 9, 13, 39, 117, 157, 471, 1413, 2041, 6123, 18369, 21139, 63417, 190251, 274807, 824421, 2473263, 3318823, 9956469, 29869407, 43144699, 129434097, 388302291]

約数ペア:

[(1, 388302291), (3, 129434097), (9, 43144699), (13, 29869407), (39, 9956469), (117, 3318823), (157, 2473263), (471, 824421), (1413, 274807), (2041, 190251), (6123, 63417), (18369, 21139)]