220137057

素因数分解:

$3^2\times 7^3\times {\mathrm{29}}^1\times {\mathrm{2459}}^1$

素因数の和:2515

約数の個数: 48

約数和(自身を含む): 383760000

約数和(自身を除く): 163622943

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 343, 441, 609, 1029, 1421, 1827, 2459, 3087, 4263, 7377, 9947, 12789, 17213, 22131, 29841, 51639, 71311, 89523, 120491, 154917, 213933, 361473, 499177, 641799, 843437, 1084419, 1497531, 2530311, 3494239, 4492593, 7590933, 10482717, 24459673, 31448151, 73379019, 220137057]

約数ペア:

[(1, 220137057), (3, 73379019), (7, 31448151), (9, 24459673), (21, 10482717), (29, 7590933), (49, 4492593), (63, 3494239), (87, 2530311), (147, 1497531), (203, 1084419), (261, 843437), (343, 641799), (441, 499177), (609, 361473), (1029, 213933), (1421, 154917), (1827, 120491), (2459, 89523), (3087, 71311), (4263, 51639), (7377, 29841), (9947, 22131), (12789, 17213)]