80921955

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{1171}}^1$

素因数の和:1467

約数の個数: 32

約数和(自身を含む): 137714688

約数和(自身を除く): 56792733

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 271, 813, 1171, 1355, 3513, 4065, 4607, 5855, 13821, 17565, 19907, 23035, 59721, 69105, 99535, 298605, 317341, 952023, 1586705, 4760115, 5394797, 16184391, 26973985, 80921955]

約数ペア:

[(1, 80921955), (3, 26973985), (5, 16184391), (15, 5394797), (17, 4760115), (51, 1586705), (85, 952023), (255, 317341), (271, 298605), (813, 99535), (1171, 69105), (1355, 59721), (3513, 23035), (4065, 19907), (4607, 17565), (5855, 13821)]