277904913

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1\times {\mathrm{983}}^1$

素因数の和:1669

約数の個数: 32

約数和(自身を含む): 436423680

約数和(自身を除く): 158518767

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 659, 983, 1977, 2949, 7249, 8567, 10813, 12779, 21747, 25701, 32439, 38337, 94237, 140569, 282711, 421707, 647797, 1943391, 7125767, 8421361, 21377301, 25264083, 92634971, 277904913]

約数ペア:

[(1, 277904913), (3, 92634971), (11, 25264083), (13, 21377301), (33, 8421361), (39, 7125767), (143, 1943391), (429, 647797), (659, 421707), (983, 282711), (1977, 140569), (2949, 94237), (7249, 38337), (8567, 32439), (10813, 25701), (12779, 21747)]