210648255

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1\times {\mathrm{739}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 348948480

約数和(自身を除く): 138300225

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 613, 739, 1839, 2217, 3065, 3695, 9195, 11085, 19003, 22909, 57009, 68727, 95015, 114545, 285045, 343635, 453007, 1359021, 2265035, 6795105, 14043217, 42129651, 70216085, 210648255]

約数ペア:

[(1, 210648255), (3, 70216085), (5, 42129651), (15, 14043217), (31, 6795105), (93, 2265035), (155, 1359021), (465, 453007), (613, 343635), (739, 285045), (1839, 114545), (2217, 95015), (3065, 68727), (3695, 57009), (9195, 22909), (11085, 19003)]