54720117

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{16477}}^1$

素因数の和:16530

約数の個数: 20

約数和(自身を含む): 83741196

約数和(自身を除く): 29021079

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 16477, 49431, 148293, 444879, 675557, 1334637, 2026671, 6080013, 18240039, 54720117]

約数ペア:

[(1, 54720117), (3, 18240039), (9, 6080013), (27, 2026671), (41, 1334637), (81, 675557), (123, 444879), (369, 148293), (1107, 49431), (3321, 16477)]