249883389

素因数分解:

$3^2\times 7^3\times {\mathrm{61}}^1\times {\mathrm{1327}}^1$

素因数の和:1415

約数の個数: 48

約数和(自身を含む): 428147200

約数和(自身を除く): 178263811

約数列:

[1, 3, 7, 9, 21, 49, 61, 63, 147, 183, 343, 427, 441, 549, 1029, 1281, 1327, 2989, 3087, 3843, 3981, 8967, 9289, 11943, 20923, 26901, 27867, 62769, 65023, 80947, 83601, 188307, 195069, 242841, 455161, 566629, 585207, 728523, 1365483, 1699887, 3966403, 4096449, 5099661, 11899209, 27764821, 35697627, 83294463, 249883389]

約数ペア:

[(1, 249883389), (3, 83294463), (7, 35697627), (9, 27764821), (21, 11899209), (49, 5099661), (61, 4096449), (63, 3966403), (147, 1699887), (183, 1365483), (343, 728523), (427, 585207), (441, 566629), (549, 455161), (1029, 242841), (1281, 195069), (1327, 188307), (2989, 83601), (3087, 80947), (3843, 65023), (3981, 62769), (8967, 27867), (9289, 26901), (11943, 20923)]