281640477

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{81001}}^1$

素因数の和:81084

約数の個数: 16

約数和(自身を含む): 401769920

約数和(自身を除く): 120129443

約数列:

[1, 3, 19, 57, 61, 183, 1159, 3477, 81001, 243003, 1539019, 4617057, 4941061, 14823183, 93880159, 281640477]

約数ペア:

[(1, 281640477), (3, 93880159), (19, 14823183), (57, 4941061), (61, 4617057), (183, 1539019), (1159, 243003), (3477, 81001)]