278380539

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{307}}^1\times {\mathrm{1901}}^1$

素因数の和:2267

約数の個数: 24

約数和(自身を含む): 411242832

約数和(自身を除く): 132862293

約数列:

[1, 3, 9, 53, 159, 307, 477, 921, 1901, 2763, 5703, 16271, 17109, 48813, 100753, 146439, 302259, 583607, 906777, 1750821, 5252463, 30931171, 92793513, 278380539]

約数ペア:

[(1, 278380539), (3, 92793513), (9, 30931171), (53, 5252463), (159, 1750821), (307, 906777), (477, 583607), (921, 302259), (1901, 146439), (2763, 100753), (5703, 48813), (16271, 17109)]