42756819

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{523}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 69419520

約数和(自身を除く): 26662701

約数列:

[1, 3, 7, 17, 21, 51, 119, 229, 357, 523, 687, 1569, 1603, 3661, 3893, 4809, 8891, 10983, 11679, 26673, 27251, 62237, 81753, 119767, 186711, 359301, 838369, 2036039, 2515107, 6108117, 14252273, 42756819]

約数ペア:

[(1, 42756819), (3, 14252273), (7, 6108117), (17, 2515107), (21, 2036039), (51, 838369), (119, 359301), (229, 186711), (357, 119767), (523, 81753), (687, 62237), (1569, 27251), (1603, 26673), (3661, 11679), (3893, 10983), (4809, 8891)]