261391863

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{13337}}^1$

素因数の和:13526

約数の個数: 16

約数和(自身を含む): 358525440

約数和(自身を除く): 97133577

約数列:

[1, 3, 47, 139, 141, 417, 6533, 13337, 19599, 40011, 626839, 1853843, 1880517, 5561529, 87130621, 261391863]

約数ペア:

[(1, 261391863), (3, 87130621), (47, 5561529), (139, 1880517), (141, 1853843), (417, 626839), (6533, 40011), (13337, 19599)]