68393745

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7487}}^1$

素因数の和:7534

約数の個数: 48

約数和(自身を含む): 140175360

約数和(自身を除く): 71781615

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 63, 87, 105, 145, 203, 261, 315, 435, 609, 1015, 1305, 1827, 3045, 7487, 9135, 22461, 37435, 52409, 67383, 112305, 157227, 217123, 262045, 336915, 471681, 651369, 786135, 1085615, 1519861, 1954107, 2358405, 3256845, 4559583, 7599305, 9770535, 13678749, 22797915, 68393745]

約数ペア:

[(1, 68393745), (3, 22797915), (5, 13678749), (7, 9770535), (9, 7599305), (15, 4559583), (21, 3256845), (29, 2358405), (35, 1954107), (45, 1519861), (63, 1085615), (87, 786135), (105, 651369), (145, 471681), (203, 336915), (261, 262045), (315, 217123), (435, 157227), (609, 112305), (1015, 67383), (1305, 52409), (1827, 37435), (3045, 22461), (7487, 9135)]