489590973

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{355549}}^1$

素因数の和:355578

約数の個数: 20

約数和(自身を含む): 774387900

約数和(自身を除く): 284796927

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 355549, 1066647, 3199941, 6044333, 9599823, 18132999, 28799469, 54398997, 163196991, 489590973]

約数ペア:

[(1, 489590973), (3, 163196991), (9, 54398997), (17, 28799469), (27, 18132999), (51, 9599823), (81, 6044333), (153, 3199941), (459, 1066647), (1377, 355549)]