15691187217

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{7487}}^1$

素因数の和:7845

約数の個数: 32

約数和(自身を含む): 21852979200

約数和(自身を除く): 6161791983

約数列:

[1, 3, 37, 79, 111, 237, 239, 717, 2923, 7487, 8769, 8843, 18881, 22461, 26529, 56643, 277019, 591473, 698597, 831057, 1774419, 1789393, 2095791, 5368179, 21884501, 65653503, 66207541, 141362047, 198622623, 424086141, 5230395739, 15691187217]

約数ペア:

[(1, 15691187217), (3, 5230395739), (37, 424086141), (79, 198622623), (111, 141362047), (237, 66207541), (239, 65653503), (717, 21884501), (2923, 5368179), (7487, 2095791), (8769, 1789393), (8843, 1774419), (18881, 831057), (22461, 698597), (26529, 591473), (56643, 277019)]