201993489

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 312998400

約数和(自身を除く): 111004911

約数列:

[1, 3, 9, 31, 43, 93, 113, 129, 149, 279, 339, 387, 447, 1017, 1333, 1341, 3503, 3999, 4619, 4859, 6407, 10509, 11997, 13857, 14577, 16837, 19221, 31527, 41571, 43731, 50511, 57663, 150629, 151533, 198617, 451887, 521947, 595851, 723991, 1355661, 1565841, 1787553, 2171973, 4697523, 6515919, 22443721, 67331163, 201993489]

約数ペア:

[(1, 201993489), (3, 67331163), (9, 22443721), (31, 6515919), (43, 4697523), (93, 2171973), (113, 1787553), (129, 1565841), (149, 1355661), (279, 723991), (339, 595851), (387, 521947), (447, 451887), (1017, 198617), (1333, 151533), (1341, 150629), (3503, 57663), (3999, 50511), (4619, 43731), (4859, 41571), (6407, 31527), (10509, 19221), (11997, 16837), (13857, 14577)]