156947217

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{257713}}^1$

素因数の和:257752

約数の個数: 16

約数和(自身を含む): 247405440

約数和(自身を除く): 90458223

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 257713, 773139, 1803991, 5411973, 7473677, 22421031, 52315739, 156947217]

約数ペア:

[(1, 156947217), (3, 52315739), (7, 22421031), (21, 7473677), (29, 5411973), (87, 1803991), (203, 773139), (609, 257713)]