256435317

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{4049}}^1$

素因数の和:4313

約数の個数: 24

約数和(自身を含む): 384134400

約数和(自身を除く): 127699083

約数列:

[1, 3, 9, 31, 93, 227, 279, 681, 2043, 4049, 7037, 12147, 21111, 36441, 63333, 125519, 376557, 919123, 1129671, 2757369, 8272107, 28492813, 85478439, 256435317]

約数ペア:

[(1, 256435317), (3, 85478439), (9, 28492813), (31, 8272107), (93, 2757369), (227, 1129671), (279, 919123), (681, 376557), (2043, 125519), (4049, 63333), (7037, 36441), (12147, 21111)]