201392721

素因数分解:

$3^2\times {\mathrm{149}}^1\times {\mathrm{179}}^1\times {\mathrm{839}}^1$

素因数の和:1173

約数の個数: 24

約数和(自身を含む): 294840000

約数和(自身を除く): 93447279

約数列:

[1, 3, 9, 149, 179, 447, 537, 839, 1341, 1611, 2517, 7551, 26671, 80013, 125011, 150181, 240039, 375033, 450543, 1125099, 1351629, 22376969, 67130907, 201392721]

約数ペア:

[(1, 201392721), (3, 67130907), (9, 22376969), (149, 1351629), (179, 1125099), (447, 450543), (537, 375033), (839, 240039), (1341, 150181), (1611, 125011), (2517, 80013), (7551, 26671)]