617809881

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 965099520

約数和(自身を除く): 347289639

約数列:

[1, 3, 13, 29, 31, 39, 67, 87, 93, 201, 263, 377, 403, 789, 871, 899, 1131, 1209, 1943, 2077, 2613, 2697, 3419, 5829, 6231, 7627, 8153, 10257, 11687, 17621, 22881, 24459, 25259, 27001, 35061, 52863, 60233, 75777, 81003, 99151, 105989, 180699, 229073, 236437, 297453, 317967, 511009, 546251, 687219, 709311, 783029, 1533027, 1638753, 2349087, 3073681, 6643117, 7101263, 9221043, 15841279, 19929351, 21303789, 47523837, 205936627, 617809881]

約数ペア:

[(1, 617809881), (3, 205936627), (13, 47523837), (29, 21303789), (31, 19929351), (39, 15841279), (67, 9221043), (87, 7101263), (93, 6643117), (201, 3073681), (263, 2349087), (377, 1638753), (403, 1533027), (789, 783029), (871, 709311), (899, 687219), (1131, 546251), (1209, 511009), (1943, 317967), (2077, 297453), (2613, 236437), (2697, 229073), (3419, 180699), (5829, 105989), (6231, 99151), (7627, 81003), (8153, 75777), (10257, 60233), (11687, 52863), (17621, 35061), (22881, 27001), (24459, 25259)]