61965765

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81001}}^1$

素因数の和:81029

約数の個数: 24

約数和(自身を含む): 113726808

約数和(自身を除く): 51761043

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 81001, 243003, 405005, 729009, 1215015, 1377017, 3645045, 4131051, 6885085, 12393153, 20655255, 61965765]

約数ペア:

[(1, 61965765), (3, 20655255), (5, 12393153), (9, 6885085), (15, 4131051), (17, 3645045), (45, 1377017), (51, 1215015), (85, 729009), (153, 405005), (255, 243003), (765, 81001)]