31288887

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{10567}}^1$

素因数の和:10627

約数の個数: 24

約数和(自身を含む): 52755456

約数和(自身を除く): 21466569

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 10567, 31701, 73969, 95103, 221907, 496649, 665721, 1489947, 3476543, 4469841, 10429629, 31288887]

約数ペア:

[(1, 31288887), (3, 10429629), (7, 4469841), (9, 3476543), (21, 1489947), (47, 665721), (63, 496649), (141, 221907), (329, 95103), (423, 73969), (987, 31701), (2961, 10567)]