31078035

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16061}}^1$

素因数の和:16115

約数の個数: 24

約数和(自身を含む): 55124784

約数和(自身を除く): 24046749

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 16061, 48183, 80305, 144549, 240915, 690623, 722745, 2071869, 3453115, 6215607, 10359345, 31078035]

約数ペア:

[(1, 31078035), (3, 10359345), (5, 6215607), (9, 3453115), (15, 2071869), (43, 722745), (45, 690623), (129, 240915), (215, 144549), (387, 80305), (645, 48183), (1935, 16061)]