831565359

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{61}}^2\times {\mathrm{89}}^1$

素因数の和:254

約数の個数: 60

約数和(自身を含む): 1318299840

約数和(自身を除く): 486734481

約数列:

[1, 3, 9, 27, 31, 61, 81, 89, 93, 183, 267, 279, 549, 801, 837, 1647, 1891, 2403, 2511, 2759, 3721, 4941, 5429, 5673, 7209, 8277, 11163, 16287, 17019, 24831, 33489, 48861, 51057, 74493, 100467, 115351, 146583, 153171, 168299, 223479, 301401, 331169, 346053, 439749, 504897, 993507, 1038159, 1514691, 2980521, 3114477, 4544073, 8941563, 9343431, 10266239, 13632219, 26824689, 30798717, 92396151, 277188453, 831565359]

約数ペア:

[(1, 831565359), (3, 277188453), (9, 92396151), (27, 30798717), (31, 26824689), (61, 13632219), (81, 10266239), (89, 9343431), (93, 8941563), (183, 4544073), (267, 3114477), (279, 2980521), (549, 1514691), (801, 1038159), (837, 993507), (1647, 504897), (1891, 439749), (2403, 346053), (2511, 331169), (2759, 301401), (3721, 223479), (4941, 168299), (5429, 153171), (5673, 146583), (7209, 115351), (8277, 100467), (11163, 74493), (16287, 51057), (17019, 48861), (24831, 33489)]