201780255

素因数分解:

$3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1\times {\mathrm{739}}^1$

素因数の和:1023

約数の個数: 32

約数和(自身を含む): 328204800

約数和(自身を除く): 126424545

約数列:

[1, 3, 5, 15, 109, 167, 327, 501, 545, 739, 835, 1635, 2217, 2505, 3695, 11085, 18203, 54609, 80551, 91015, 123413, 241653, 273045, 370239, 402755, 617065, 1208265, 1851195, 13452017, 40356051, 67260085, 201780255]

約数ペア:

[(1, 201780255), (3, 67260085), (5, 40356051), (15, 13452017), (109, 1851195), (167, 1208265), (327, 617065), (501, 402755), (545, 370239), (739, 273045), (835, 241653), (1635, 123413), (2217, 91015), (2505, 80551), (3695, 54609), (11085, 18203)]