87640905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{443}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 155897280

約数和(自身を除く): 68256375

約数列:

[1, 3, 5, 11, 15, 33, 55, 109, 121, 165, 327, 363, 443, 545, 605, 1199, 1329, 1635, 1815, 2215, 3597, 4873, 5995, 6645, 13189, 14619, 17985, 24365, 39567, 48287, 53603, 65945, 73095, 144861, 160809, 197835, 241435, 268015, 531157, 724305, 804045, 1593471, 2655785, 5842727, 7967355, 17528181, 29213635, 87640905]

約数ペア:

[(1, 87640905), (3, 29213635), (5, 17528181), (11, 7967355), (15, 5842727), (33, 2655785), (55, 1593471), (109, 804045), (121, 724305), (165, 531157), (327, 268015), (363, 241435), (443, 197835), (545, 160809), (605, 144861), (1199, 73095), (1329, 65945), (1635, 53603), (1815, 48287), (2215, 39567), (3597, 24365), (4873, 17985), (5995, 14619), (6645, 13189)]