2971809

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{1931}}^1$

素因数の和:1962

約数の個数: 20

約数和(自身を含む): 4675440

約数和(自身を除く): 1703631

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 1931, 5793, 17379, 36689, 52137, 110067, 156411, 330201, 990603, 2971809]

約数ペア:

[(1, 2971809), (3, 990603), (9, 330201), (19, 156411), (27, 110067), (57, 52137), (81, 36689), (171, 17379), (513, 5793), (1539, 1931)]