207801225

素因数分解:

$3^2\times 5^2\times {\mathrm{923561}}^1$

素因数の和:923577

約数の個数: 18

約数和(自身を含む): 372195486

約数和(自身を除く): 164394261

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 923561, 2770683, 4617805, 8312049, 13853415, 23089025, 41560245, 69267075, 207801225]

約数ペア:

[(1, 207801225), (3, 69267075), (5, 41560245), (9, 23089025), (15, 13853415), (25, 8312049), (45, 4617805), (75, 2770683), (225, 923561)]