1312353

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:613

約数の個数: 24

約数和(自身を含む): 2228928

約数和(自身を除く): 916575

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 563, 777, 1689, 2331, 3941, 5067, 11823, 20831, 35469, 62493, 145817, 187479, 437451, 1312353]

約数ペア:

[(1, 1312353), (3, 437451), (7, 187479), (9, 145817), (21, 62493), (37, 35469), (63, 20831), (111, 11823), (259, 5067), (333, 3941), (563, 2331), (777, 1689)]