256047351

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{420439}}^1$

素因数の和:420478

約数の個数: 16

約数和(自身を含む): 403622400

約数和(自身を除く): 147575049

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 420439, 1261317, 2943073, 8829219, 12192731, 36578193, 85349117, 256047351]

約数ペア:

[(1, 256047351), (3, 85349117), (7, 36578193), (21, 12192731), (29, 8829219), (87, 2943073), (203, 1261317), (609, 420439)]