81910563

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{389}}^1$

素因数の和:707

約数の個数: 32

約数和(自身を含む): 128993280

約数和(自身を除く): 47082717

約数列:

[1, 3, 7, 21, 37, 111, 259, 271, 389, 777, 813, 1167, 1897, 2723, 5691, 8169, 10027, 14393, 30081, 43179, 70189, 100751, 105419, 210567, 302253, 316257, 737933, 2213799, 3900503, 11701509, 27303521, 81910563]

約数ペア:

[(1, 81910563), (3, 27303521), (7, 11701509), (21, 3900503), (37, 2213799), (111, 737933), (259, 316257), (271, 302253), (389, 210567), (777, 105419), (813, 100751), (1167, 70189), (1897, 43179), (2723, 30081), (5691, 14393), (8169, 10027)]