61985655

素因数分解:

$3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3001}}^1$

素因数の和:3038

約数の個数: 48

約数和(自身を含む): 118014624

約数和(自身を除く): 56028969

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 243, 255, 405, 459, 765, 1215, 1377, 2295, 3001, 4131, 6885, 9003, 15005, 20655, 27009, 45015, 51017, 81027, 135045, 153051, 243081, 255085, 405135, 459153, 729243, 765255, 1215405, 1377459, 2295765, 3646215, 4132377, 6887295, 12397131, 20661885, 61985655]

約数ペア:

[(1, 61985655), (3, 20661885), (5, 12397131), (9, 6887295), (15, 4132377), (17, 3646215), (27, 2295765), (45, 1377459), (51, 1215405), (81, 765255), (85, 729243), (135, 459153), (153, 405135), (243, 255085), (255, 243081), (405, 153051), (459, 135045), (765, 81027), (1215, 51017), (1377, 45015), (2295, 27009), (3001, 20655), (4131, 15005), (6885, 9003)]