240880419

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{686269}}^1$

素因数の和:686291

約数の個数: 16

約数和(自身を含む): 384311200

約数和(自身を除く): 143430781

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 686269, 2058807, 6176421, 8921497, 18529263, 26764491, 80293473, 240880419]

約数ペア:

[(1, 240880419), (3, 80293473), (9, 26764491), (13, 18529263), (27, 8921497), (39, 6176421), (117, 2058807), (351, 686269)]