253572837

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1\times {\mathrm{643}}^1$

素因数の和:953

約数の個数: 32

約数和(自身を含む): 393200640

約数和(自身を除く): 139627803

約数列:

[1, 3, 7, 21, 89, 211, 267, 623, 633, 643, 1477, 1869, 1929, 4431, 4501, 13503, 18779, 56337, 57227, 131453, 135673, 171681, 394359, 400589, 407019, 949711, 1201767, 2849133, 12074897, 36224691, 84524279, 253572837]

約数ペア:

[(1, 253572837), (3, 84524279), (7, 36224691), (21, 12074897), (89, 2849133), (211, 1201767), (267, 949711), (623, 407019), (633, 400589), (643, 394359), (1477, 171681), (1869, 135673), (1929, 131453), (4431, 57227), (4501, 56337), (13503, 18779)]