31715199

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{293}}^1$

素因数の和:532

約数の個数: 32

約数和(自身を含む): 49862400

約数和(自身を除く): 18147201

約数列:

[1, 3, 9, 19, 27, 57, 171, 211, 293, 513, 633, 879, 1899, 2637, 4009, 5567, 5697, 7911, 12027, 16701, 36081, 50103, 61823, 108243, 150309, 185469, 556407, 1174637, 1669221, 3523911, 10571733, 31715199]

約数ペア:

[(1, 31715199), (3, 10571733), (9, 3523911), (19, 1669221), (27, 1174637), (57, 556407), (171, 185469), (211, 150309), (293, 108243), (513, 61823), (633, 50103), (879, 36081), (1899, 16701), (2637, 12027), (4009, 7911), (5567, 5697)]