28143753

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 44330496

約数和(自身を除く): 16186743

約数列:

[1, 3, 11, 31, 33, 41, 61, 93, 121, 123, 183, 341, 363, 451, 671, 1023, 1271, 1353, 1891, 2013, 2501, 3751, 3813, 4961, 5673, 7381, 7503, 11253, 13981, 14883, 20801, 22143, 27511, 41943, 62403, 77531, 82533, 153791, 228811, 232593, 302621, 461373, 686433, 852841, 907863, 2558523, 9381251, 28143753]

約数ペア:

[(1, 28143753), (3, 9381251), (11, 2558523), (31, 907863), (33, 852841), (41, 686433), (61, 461373), (93, 302621), (121, 232593), (123, 228811), (183, 153791), (341, 82533), (363, 77531), (451, 62403), (671, 41943), (1023, 27511), (1271, 22143), (1353, 20801), (1891, 14883), (2013, 13981), (2501, 11253), (3751, 7503), (3813, 7381), (4961, 5673)]