288473409

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{240997}}^1$

素因数の和:241029

約数の個数: 24

約数和(自身を含む): 501275840

約数和(自身を除く): 212802431

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 240997, 722991, 1686979, 2168973, 4578943, 5060937, 13736829, 15182811, 32052601, 41210487, 96157803, 288473409]

約数ペア:

[(1, 288473409), (3, 96157803), (7, 41210487), (9, 32052601), (19, 15182811), (21, 13736829), (57, 5060937), (63, 4578943), (133, 2168973), (171, 1686979), (399, 722991), (1197, 240997)]