201898669

素因数分解:

$7^2\times {\mathrm{23}}^2\times {\mathrm{7789}}^1$

素因数の和:7849

約数の個数: 18

約数和(自身を含む): 245548590

約数和(自身を除く): 43649921

約数列:

[1, 7, 23, 49, 161, 529, 1127, 3703, 7789, 25921, 54523, 179147, 381661, 1254029, 4120381, 8778203, 28842667, 201898669]

約数ペア:

[(1, 201898669), (7, 28842667), (23, 8778203), (49, 4120381), (161, 1254029), (529, 381661), (1127, 179147), (3703, 54523), (7789, 25921)]