86710281

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{217319}}^1$

素因数の和:217348

約数の個数: 16

約数和(自身を含む): 139084800

約数和(自身を除く): 52374519

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 217319, 651957, 1521233, 4129061, 4563699, 12387183, 28903427, 86710281]

約数ペア:

[(1, 86710281), (3, 28903427), (7, 12387183), (19, 4563699), (21, 4129061), (57, 1521233), (133, 651957), (399, 217319)]