261038739

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{18541}}^1$

素因数の和:18595

約数の個数: 24

約数和(自身を含む): 395612112

約数和(自身を除く): 134573373

約数列:

[1, 3, 13, 19, 39, 57, 247, 361, 741, 1083, 4693, 14079, 18541, 55623, 241033, 352279, 723099, 1056837, 4579627, 6693301, 13738881, 20079903, 87012913, 261038739]

約数ペア:

[(1, 261038739), (3, 87012913), (13, 20079903), (19, 13738881), (39, 6693301), (57, 4579627), (247, 1056837), (361, 723099), (741, 352279), (1083, 241033), (4693, 55623), (14079, 18541)]