180812979

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{51913}}^1$

素因数の和:51968

約数の個数: 20

約数和(自身を含む): 276390136

約数和(自身を除く): 95577157

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 51913, 155739, 467217, 1401651, 2232259, 4204953, 6696777, 20090331, 60270993, 180812979]

約数ペア:

[(1, 180812979), (3, 60270993), (9, 20090331), (27, 6696777), (43, 4204953), (81, 2232259), (129, 1401651), (387, 467217), (1161, 155739), (3483, 51913)]