261647577

素因数分解:

$3^6\times {\mathrm{379}}^1\times {\mathrm{947}}^1$

素因数の和:1344

約数の個数: 28

約数和(自身を含む): 393742320

約数和(自身を除く): 132094743

約数列:

[1, 3, 9, 27, 81, 243, 379, 729, 947, 1137, 2841, 3411, 8523, 10233, 25569, 30699, 76707, 92097, 230121, 276291, 358913, 690363, 1076739, 3230217, 9690651, 29071953, 87215859, 261647577]

約数ペア:

[(1, 261647577), (3, 87215859), (9, 29071953), (27, 9690651), (81, 3230217), (243, 1076739), (379, 690363), (729, 358913), (947, 276291), (1137, 230121), (2841, 92097), (3411, 76707), (8523, 30699), (10233, 25569)]