213320373

素因数分解:

$3^1\times 7^2\times {\mathrm{509}}^1\times {\mathrm{2851}}^1$

素因数の和:3377

約数の個数: 24

約数和(自身を含む): 331630560

約数和(自身を除く): 118310187

約数列:

[1, 3, 7, 21, 49, 147, 509, 1527, 2851, 3563, 8553, 10689, 19957, 24941, 59871, 74823, 139699, 419097, 1451159, 4353477, 10158113, 30474339, 71106791, 213320373]

約数ペア:

[(1, 213320373), (3, 71106791), (7, 30474339), (21, 10158113), (49, 4353477), (147, 1451159), (509, 419097), (1527, 139699), (2851, 74823), (3563, 59871), (8553, 24941), (10689, 19957)]