12971097

素因数分解:

$3^9\times {\mathrm{659}}^1$

素因数の和:686

約数の個数: 20

約数和(自身を含む): 19485840

約数和(自身を除く): 6514743

約数列:

[1, 3, 9, 27, 81, 243, 659, 729, 1977, 2187, 5931, 6561, 17793, 19683, 53379, 160137, 480411, 1441233, 4323699, 12971097]

約数ペア:

[(1, 12971097), (3, 4323699), (9, 1441233), (27, 480411), (81, 160137), (243, 53379), (659, 19683), (729, 17793), (1977, 6561), (2187, 5931)]