255804939

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{19697}}^1$

素因数の和:19756

約数の個数: 32

約数和(自身を含む): 419173440

約数和(自身を除く): 163368501

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 999, 1443, 4329, 12987, 19697, 59091, 177273, 256061, 531819, 728789, 768183, 2186367, 2304549, 6559101, 6913647, 9474257, 19677303, 28422771, 85268313, 255804939]

約数ペア:

[(1, 255804939), (3, 85268313), (9, 28422771), (13, 19677303), (27, 9474257), (37, 6913647), (39, 6559101), (111, 2304549), (117, 2186367), (333, 768183), (351, 728789), (481, 531819), (999, 256061), (1443, 177273), (4329, 59091), (12987, 19697)]