129921771

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{947}}^1$

素因数の和:1143

約数の個数: 32

約数和(自身を含む): 203857920

約数和(自身を除く): 73936149

約数列:

[1, 3, 7, 21, 47, 139, 141, 329, 417, 947, 973, 987, 2841, 2919, 6533, 6629, 19599, 19887, 44509, 45731, 131633, 133527, 137193, 311563, 394899, 921431, 934689, 2764293, 6186751, 18560253, 43307257, 129921771]

約数ペア:

[(1, 129921771), (3, 43307257), (7, 18560253), (21, 6186751), (47, 2764293), (139, 934689), (141, 921431), (329, 394899), (417, 311563), (947, 137193), (973, 133527), (987, 131633), (2841, 45731), (2919, 44509), (6533, 19887), (6629, 19599)]