51764139

素因数分解:

$3^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1097}}^1$

素因数の和:1224

約数の個数: 36

約数和(自身を含む): 87870744

約数和(自身を除く): 36106605

約数列:

[1, 3, 7, 9, 21, 49, 63, 107, 147, 321, 441, 749, 963, 1097, 2247, 3291, 5243, 6741, 7679, 9873, 15729, 23037, 47187, 53753, 69111, 117379, 161259, 352137, 483777, 821653, 1056411, 2464959, 5751571, 7394877, 17254713, 51764139]

約数ペア:

[(1, 51764139), (3, 17254713), (7, 7394877), (9, 5751571), (21, 2464959), (49, 1056411), (63, 821653), (107, 483777), (147, 352137), (321, 161259), (441, 117379), (749, 69111), (963, 53753), (1097, 47187), (2247, 23037), (3291, 15729), (5243, 9873), (6741, 7679)]