87250821

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 142107840

約数和(自身を除く): 54857019

約数列:

[1, 3, 7, 21, 29, 49, 87, 97, 147, 203, 211, 291, 609, 633, 679, 1421, 1477, 2037, 2813, 4263, 4431, 4753, 6119, 8439, 10339, 14259, 18357, 19691, 20467, 31017, 42833, 59073, 61401, 128499, 137837, 143269, 299831, 413511, 429807, 593543, 899493, 1002883, 1780629, 3008649, 4154801, 12464403, 29083607, 87250821]

約数ペア:

[(1, 87250821), (3, 29083607), (7, 12464403), (21, 4154801), (29, 3008649), (49, 1780629), (87, 1002883), (97, 899493), (147, 593543), (203, 429807), (211, 413511), (291, 299831), (609, 143269), (633, 137837), (679, 128499), (1421, 61401), (1477, 59073), (2037, 42833), (2813, 31017), (4263, 20467), (4431, 19691), (4753, 18357), (6119, 14259), (8439, 10339)]