25937121

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 43436736

約数和(自身を除く): 17499615

約数列:

[1, 3, 7, 17, 21, 49, 51, 97, 107, 119, 147, 291, 321, 357, 679, 749, 833, 1649, 1819, 2037, 2247, 2499, 4753, 4947, 5243, 5457, 10379, 11543, 12733, 14259, 15729, 31137, 34629, 38199, 72653, 80801, 89131, 176443, 217959, 242403, 267393, 508571, 529329, 1235101, 1525713, 3705303, 8645707, 25937121]

約数ペア:

[(1, 25937121), (3, 8645707), (7, 3705303), (17, 1525713), (21, 1235101), (49, 529329), (51, 508571), (97, 267393), (107, 242403), (119, 217959), (147, 176443), (291, 89131), (321, 80801), (357, 72653), (679, 38199), (749, 34629), (833, 31137), (1649, 15729), (1819, 14259), (2037, 12733), (2247, 11543), (2499, 10379), (4753, 5457), (4947, 5243)]