204730911

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:393

約数の個数: 72

約数和(自身を含む): 376451712

約数和(自身を除く): 171720801

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 107, 121, 231, 251, 321, 363, 693, 749, 753, 847, 963, 1089, 1177, 1757, 2247, 2259, 2541, 2761, 3531, 5271, 6741, 7623, 8239, 8283, 10593, 12947, 15813, 19327, 24717, 24849, 26857, 30371, 38841, 57981, 74151, 80571, 90629, 91113, 116523, 173943, 187999, 212597, 241713, 271887, 273339, 295427, 563997, 637791, 815661, 886281, 1691991, 1913373, 2067989, 2658843, 3249697, 6203967, 9749091, 18611901, 22747879, 29247273, 68243637, 204730911]

約数ペア:

[(1, 204730911), (3, 68243637), (7, 29247273), (9, 22747879), (11, 18611901), (21, 9749091), (33, 6203967), (63, 3249697), (77, 2658843), (99, 2067989), (107, 1913373), (121, 1691991), (231, 886281), (251, 815661), (321, 637791), (363, 563997), (693, 295427), (749, 273339), (753, 271887), (847, 241713), (963, 212597), (1089, 187999), (1177, 173943), (1757, 116523), (2247, 91113), (2259, 90629), (2541, 80571), (2761, 74151), (3531, 57981), (5271, 38841), (6741, 30371), (7623, 26857), (8239, 24849), (8283, 24717), (10593, 19327), (12947, 15813)]