291222387

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{727}}^1\times {\mathrm{947}}^1$

素因数の和:1727

約数の個数: 24

約数和(自身を含む): 430649856

約数和(自身を除く): 139427469

約数列:

[1, 3, 9, 47, 141, 423, 727, 947, 2181, 2841, 6543, 8523, 34169, 44509, 102507, 133527, 307521, 400581, 688469, 2065407, 6196221, 32358043, 97074129, 291222387]

約数ペア:

[(1, 291222387), (3, 97074129), (9, 32358043), (47, 6196221), (141, 2065407), (423, 688469), (727, 400581), (947, 307521), (2181, 133527), (2841, 102507), (6543, 44509), (8523, 34169)]