51581811

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 73675008

約数和(自身を除く): 22093197

約数列:

[1, 3, 37, 43, 101, 107, 111, 129, 303, 321, 1591, 3737, 3959, 4343, 4601, 4773, 10807, 11211, 11877, 13029, 13803, 32421, 160691, 170237, 399859, 464701, 482073, 510711, 1199577, 1394103, 17193937, 51581811]

約数ペア:

[(1, 51581811), (3, 17193937), (37, 1394103), (43, 1199577), (101, 510711), (107, 482073), (111, 464701), (129, 399859), (303, 170237), (321, 160691), (1591, 32421), (3737, 13803), (3959, 13029), (4343, 11877), (4601, 11211), (4773, 10807)]