338216739

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{5689}}^1$

素因数の和:5867

約数の個数: 32

約数和(自身を含む): 546240000

約数和(自身を除く): 208023261

約数列:

[1, 3, 7, 19, 21, 57, 133, 149, 399, 447, 1043, 2831, 3129, 5689, 8493, 17067, 19817, 39823, 59451, 108091, 119469, 324273, 756637, 847661, 2269911, 2542983, 5933627, 16105559, 17800881, 48316677, 112738913, 338216739]

約数ペア:

[(1, 338216739), (3, 112738913), (7, 48316677), (19, 17800881), (21, 16105559), (57, 5933627), (133, 2542983), (149, 2269911), (399, 847661), (447, 756637), (1043, 324273), (2831, 119469), (3129, 108091), (5689, 59451), (8493, 39823), (17067, 19817)]