201297537

素因数分解:

$3^2\times 7^2\times {\mathrm{456457}}^1$

素因数の和:456477

約数の個数: 18

約数和(自身を含む): 338235378

約数和(自身を除く): 136937841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 456457, 1369371, 3195199, 4108113, 9585597, 22366393, 28756791, 67099179, 201297537]

約数ペア:

[(1, 201297537), (3, 67099179), (7, 28756791), (9, 22366393), (21, 9585597), (49, 4108113), (63, 3195199), (147, 1369371), (441, 456457)]