159891003

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{33457}}^1$

素因数の和:33528

約数の個数: 20

約数和(自身を含む): 242905080

約数和(自身を除く): 83014077

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4779, 33457, 100371, 301113, 903339, 1973963, 2710017, 5921889, 17765667, 53297001, 159891003]

約数ペア:

[(1, 159891003), (3, 53297001), (9, 17765667), (27, 5921889), (59, 2710017), (81, 1973963), (177, 903339), (531, 301113), (1593, 100371), (4779, 33457)]