128269713

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{8081}}^1$

素因数の和:8145

約数の個数: 32

約数和(自身を含む): 206381952

約数和(自身を除く): 78112239

約数列:

[1, 3, 11, 13, 33, 37, 39, 111, 143, 407, 429, 481, 1221, 1443, 5291, 8081, 15873, 24243, 88891, 105053, 266673, 298997, 315159, 896991, 1155583, 3288967, 3466749, 3886961, 9866901, 11660883, 42756571, 128269713]

約数ペア:

[(1, 128269713), (3, 42756571), (11, 11660883), (13, 9866901), (33, 3886961), (37, 3466749), (39, 3288967), (111, 1155583), (143, 896991), (407, 315159), (429, 298997), (481, 266673), (1221, 105053), (1443, 88891), (5291, 24243), (8081, 15873)]