201804981

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{29209}}^1$

素因数の和:29273

約数の個数: 24

約数和(自身を含む): 319674240

約数和(自身を除く): 117869259

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 6909, 29209, 87627, 204463, 613389, 1372823, 1431241, 4118469, 4293723, 9609761, 28829283, 67268327, 201804981]

約数ペア:

[(1, 201804981), (3, 67268327), (7, 28829283), (21, 9609761), (47, 4293723), (49, 4118469), (141, 1431241), (147, 1372823), (329, 613389), (987, 204463), (2303, 87627), (6909, 29209)]