254328255

素因数分解:

$3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{7949}}^1$

素因数の和:8045

約数の個数: 40

約数和(自身を含む): 461736000

約数和(自身を除く): 207407745

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 81, 135, 237, 395, 405, 711, 1185, 2133, 3555, 6399, 7949, 10665, 23847, 31995, 39745, 71541, 119235, 214623, 357705, 627971, 643869, 1073115, 1883913, 3139855, 3219345, 5651739, 9419565, 16955217, 28258695, 50865651, 84776085, 254328255]

約数ペア:

[(1, 254328255), (3, 84776085), (5, 50865651), (9, 28258695), (15, 16955217), (27, 9419565), (45, 5651739), (79, 3219345), (81, 3139855), (135, 1883913), (237, 1073115), (395, 643869), (405, 627971), (711, 357705), (1185, 214623), (2133, 119235), (3555, 71541), (6399, 39745), (7949, 31995), (10665, 23847)]