206819721

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{2843}}^1$

素因数の和:3045

約数の個数: 24

約数和(自身を含む): 306128160

約数和(自身を除く): 99308439

約数列:

[1, 3, 9, 59, 137, 177, 411, 531, 1233, 2843, 8083, 8529, 24249, 25587, 72747, 167737, 389491, 503211, 1168473, 1509633, 3505419, 22979969, 68939907, 206819721]

約数ペア:

[(1, 206819721), (3, 68939907), (9, 22979969), (59, 3505419), (137, 1509633), (177, 1168473), (411, 503211), (531, 389491), (1233, 167737), (2843, 72747), (8083, 25587), (8529, 24249)]