1808508789

素因数分解:

$3^5\times {\mathrm{73}}^1\times {\mathrm{269}}^1\times {\mathrm{379}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 2763633600

約数和(自身を除く): 955124811

約数列:

[1, 3, 9, 27, 73, 81, 219, 243, 269, 379, 657, 807, 1137, 1971, 2421, 3411, 5913, 7263, 10233, 17739, 19637, 21789, 27667, 30699, 58911, 65367, 83001, 92097, 101951, 176733, 249003, 305853, 530199, 747009, 917559, 1590597, 2241027, 2752677, 4771791, 6723081, 7442423, 8258031, 22327269, 24774093, 66981807, 200945421, 602836263, 1808508789]

約数ペア:

[(1, 1808508789), (3, 602836263), (9, 200945421), (27, 66981807), (73, 24774093), (81, 22327269), (219, 8258031), (243, 7442423), (269, 6723081), (379, 4771791), (657, 2752677), (807, 2241027), (1137, 1590597), (1971, 917559), (2421, 747009), (3411, 530199), (5913, 305853), (7263, 249003), (10233, 176733), (17739, 101951), (19637, 92097), (21789, 83001), (27667, 65367), (30699, 58911)]