156689721

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{44987}}^1$

素因数の和:45042

約数の個数: 20

約数和(自身を含む): 239516112

約数和(自身を除く): 82826391

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 44987, 134961, 404883, 1214649, 1934441, 3643947, 5803323, 17409969, 52229907, 156689721]

約数ペア:

[(1, 156689721), (3, 52229907), (9, 17409969), (27, 5803323), (43, 3643947), (81, 1934441), (129, 1214649), (387, 404883), (1161, 134961), (3483, 44987)]