71688915

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31237}}^1$

素因数の和:31268

約数の個数: 32

約数和(自身を含む): 134948160

約数和(自身を除く): 63259245

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 31237, 93711, 156185, 281133, 468555, 531029, 843399, 1405665, 1593087, 2655145, 4216995, 4779261, 7965435, 14337783, 23896305, 71688915]

約数ペア:

[(1, 71688915), (3, 23896305), (5, 14337783), (9, 7965435), (15, 4779261), (17, 4216995), (27, 2655145), (45, 1593087), (51, 1405665), (85, 843399), (135, 531029), (153, 468555), (255, 281133), (459, 156185), (765, 93711), (2295, 31237)]