166383

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:171

約数の個数: 24

約数和(自身を含む): 291200

約数和(自身を除く): 124817

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 139, 171, 399, 417, 973, 1197, 1251, 2641, 2919, 7923, 8757, 18487, 23769, 55461, 166383]

約数ペア:

[(1, 166383), (3, 55461), (7, 23769), (9, 18487), (19, 8757), (21, 7923), (57, 2919), (63, 2641), (133, 1251), (139, 1197), (171, 973), (399, 417)]