1313739

素因数分解:

$3^4\times 7^2\times {\mathrm{331}}^1$

素因数の和:357

約数の個数: 30

約数和(自身を含む): 2289804

約数和(自身を除く): 976065

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 331, 441, 567, 993, 1323, 2317, 2979, 3969, 6951, 8937, 16219, 20853, 26811, 48657, 62559, 145971, 187677, 437913, 1313739]

約数ペア:

[(1, 1313739), (3, 437913), (7, 187677), (9, 145971), (21, 62559), (27, 48657), (49, 26811), (63, 20853), (81, 16219), (147, 8937), (189, 6951), (331, 3969), (441, 2979), (567, 2317), (993, 1323)]