128893863

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{569}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 212094720

約数和(自身を除く): 83200857

約数列:

[1, 3, 7, 21, 23, 49, 67, 69, 147, 161, 201, 469, 483, 569, 1127, 1407, 1541, 1707, 3283, 3381, 3983, 4623, 9849, 10787, 11949, 13087, 27881, 32361, 38123, 39261, 75509, 83643, 91609, 114369, 226527, 266861, 274827, 641263, 800583, 876829, 1868027, 1923789, 2630487, 5604081, 6137803, 18413409, 42964621, 128893863]

約数ペア:

[(1, 128893863), (3, 42964621), (7, 18413409), (21, 6137803), (23, 5604081), (49, 2630487), (67, 1923789), (69, 1868027), (147, 876829), (161, 800583), (201, 641263), (469, 274827), (483, 266861), (569, 226527), (1127, 114369), (1407, 91609), (1541, 83643), (1707, 75509), (3283, 39261), (3381, 38123), (3983, 32361), (4623, 27881), (9849, 13087), (10787, 11949)]