128419749

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{38669}}^1$

素因数の和:38722

約数の個数: 20

約数和(自身を含む): 196520940

約数和(自身を除く): 68101191

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 38669, 116007, 348021, 1044063, 1585429, 3132189, 4756287, 14268861, 42806583, 128419749]

約数ペア:

[(1, 128419749), (3, 42806583), (9, 14268861), (27, 4756287), (41, 3132189), (81, 1585429), (123, 1044063), (369, 348021), (1107, 116007), (3321, 38669)]