1853397

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 3447808

約数和(自身を除く): 1594411

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 63, 73, 91, 93, 117, 217, 219, 273, 279, 403, 511, 651, 657, 819, 949, 1209, 1533, 1953, 2263, 2821, 2847, 3627, 4599, 6643, 6789, 8463, 8541, 15841, 19929, 20367, 25389, 29419, 47523, 59787, 88257, 142569, 205933, 264771, 617799, 1853397]

約数ペア:

[(1, 1853397), (3, 617799), (7, 264771), (9, 205933), (13, 142569), (21, 88257), (31, 59787), (39, 47523), (63, 29419), (73, 25389), (91, 20367), (93, 19929), (117, 15841), (217, 8541), (219, 8463), (273, 6789), (279, 6643), (403, 4599), (511, 3627), (651, 2847), (657, 2821), (819, 2263), (949, 1953), (1209, 1533)]