203909769

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{887}}^1$

素因数の和:1030

約数の個数: 48

約数和(自身を含む): 349090560

約数和(自身を除く): 145180791

約数列:

[1, 3, 7, 9, 21, 41, 63, 89, 123, 267, 287, 369, 623, 801, 861, 887, 1869, 2583, 2661, 3649, 5607, 6209, 7983, 10947, 18627, 25543, 32841, 36367, 55881, 76629, 78943, 109101, 229887, 236829, 254569, 327303, 552601, 710487, 763707, 1657803, 2291121, 3236663, 4973409, 9709989, 22656641, 29129967, 67969923, 203909769]

約数ペア:

[(1, 203909769), (3, 67969923), (7, 29129967), (9, 22656641), (21, 9709989), (41, 4973409), (63, 3236663), (89, 2291121), (123, 1657803), (267, 763707), (287, 710487), (369, 552601), (623, 327303), (801, 254569), (861, 236829), (887, 229887), (1869, 109101), (2583, 78943), (2661, 76629), (3649, 55881), (5607, 36367), (6209, 32841), (7983, 25543), (10947, 18627)]