279778497

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{5987}}^1$

素因数の和:6448

約数の個数: 16

約数和(自身を含む): 384094272

約数和(自身を除く): 104315775

約数列:

[1, 3, 37, 111, 421, 1263, 5987, 15577, 17961, 46731, 221519, 664557, 2520527, 7561581, 93259499, 279778497]

約数ペア:

[(1, 279778497), (3, 93259499), (37, 7561581), (111, 2520527), (421, 664557), (1263, 221519), (5987, 46731), (15577, 17961)]