297831261

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{155851}}^1$

素因数の和:155881

約数の個数: 24

約数和(自身を含む): 497479584

約数和(自身を除く): 199648323

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 155851, 467553, 1090957, 2026063, 3272871, 6078189, 7636699, 14182441, 22910097, 42547323, 99277087, 297831261]

約数ペア:

[(1, 297831261), (3, 99277087), (7, 42547323), (13, 22910097), (21, 14182441), (39, 7636699), (49, 6078189), (91, 3272871), (147, 2026063), (273, 1090957), (637, 467553), (1911, 155851)]