249728577

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1\times {\mathrm{971}}^1$

素因数の和:1349

約数の個数: 32

約数和(自身を含む): 392408064

約数和(自身を除く): 142679487

約数列:

[1, 3, 7, 21, 37, 111, 259, 331, 777, 971, 993, 2317, 2913, 6797, 6951, 12247, 20391, 35927, 36741, 85729, 107781, 251489, 257187, 321401, 754467, 964203, 2249807, 6749421, 11891837, 35675511, 83242859, 249728577]

約数ペア:

[(1, 249728577), (3, 83242859), (7, 35675511), (21, 11891837), (37, 6749421), (111, 2249807), (259, 964203), (331, 754467), (777, 321401), (971, 257187), (993, 251489), (2317, 107781), (2913, 85729), (6797, 36741), (6951, 35927), (12247, 20391)]