201680451

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2791}}^1$

素因数の和:2872

約数の個数: 48

約数和(自身を含む): 353087488

約数和(自身を除く): 151407037

約数列:

[1, 3, 7, 9, 21, 31, 37, 63, 93, 111, 217, 259, 279, 333, 651, 777, 1147, 1953, 2331, 2791, 3441, 8029, 8373, 10323, 19537, 24087, 25119, 58611, 72261, 86521, 103267, 175833, 259563, 309801, 605647, 722869, 778689, 929403, 1816941, 2168607, 3201277, 5450823, 6505821, 9603831, 22408939, 28811493, 67226817, 201680451]

約数ペア:

[(1, 201680451), (3, 67226817), (7, 28811493), (9, 22408939), (21, 9603831), (31, 6505821), (37, 5450823), (63, 3201277), (93, 2168607), (111, 1816941), (217, 929403), (259, 778689), (279, 722869), (333, 605647), (651, 309801), (777, 259563), (1147, 175833), (1953, 103267), (2331, 86521), (2791, 72261), (3441, 58611), (8029, 25119), (8373, 24087), (10323, 19537)]