202439727

素因数分解:

$3^2\times 7^2\times {\mathrm{459047}}^1$

素因数の和:459067

約数の個数: 18

約数和(自身を含む): 340154568

約数和(自身を除く): 137714841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 459047, 1377141, 3213329, 4131423, 9639987, 22493303, 28919961, 67479909, 202439727]

約数ペア:

[(1, 202439727), (3, 67479909), (7, 28919961), (9, 22493303), (21, 9639987), (49, 4131423), (63, 3213329), (147, 1377141), (441, 459047)]