28201941

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{173}}^1\times {\mathrm{307}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 41801760

約数和(自身を除く): 13599819

約数列:

[1, 3, 9, 59, 173, 177, 307, 519, 531, 921, 1557, 2763, 10207, 18113, 30621, 53111, 54339, 91863, 159333, 163017, 477999, 3133549, 9400647, 28201941]

約数ペア:

[(1, 28201941), (3, 9400647), (9, 3133549), (59, 477999), (173, 163017), (177, 159333), (307, 91863), (519, 54339), (531, 53111), (921, 30621), (1557, 18113), (2763, 10207)]