201121039

素因数分解:

$7^2\times {\mathrm{23}}^2\times {\mathrm{7759}}^1$

素因数の和:7819

約数の個数: 18

約数和(自身を含む): 244602960

約数和(自身を除く): 43481921

約数列:

[1, 7, 23, 49, 161, 529, 1127, 3703, 7759, 25921, 54313, 178457, 380191, 1249199, 4104511, 8744393, 28731577, 201121039]

約数ペア:

[(1, 201121039), (7, 28731577), (23, 8744393), (49, 4104511), (161, 1249199), (529, 380191), (1127, 178457), (3703, 54313), (7759, 25921)]