71896221

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{19157}}^1$

素因数の和:19305

約数の個数: 16

約数和(自身を含む): 107284800

約数和(自身を除く): 35388579

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 19157, 57471, 172413, 517239, 2662823, 7988469, 23965407, 71896221]

約数ペア:

[(1, 71896221), (3, 23965407), (9, 7988469), (27, 2662823), (139, 517239), (417, 172413), (1251, 57471), (3753, 19157)]