80921571

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 115906560

約数和(自身を除く): 34984989

約数列:

[1, 3, 29, 43, 87, 97, 129, 223, 291, 669, 1247, 2813, 3741, 4171, 6467, 8439, 9589, 12513, 19401, 21631, 28767, 64893, 120959, 278081, 362877, 627299, 834243, 930133, 1881897, 2790399, 26973857, 80921571]

約数ペア:

[(1, 80921571), (3, 26973857), (29, 2790399), (43, 1881897), (87, 930133), (97, 834243), (129, 627299), (223, 362877), (291, 278081), (669, 120959), (1247, 64893), (2813, 28767), (3741, 21631), (4171, 19401), (6467, 12513), (8439, 9589)]