28256265

素因数分解:

$3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{6217}}^1$

素因数の和:6329

約数の個数: 24

約数和(自身を含む): 49470408

約数和(自身を除く): 21214143

約数列:

[1, 3, 5, 9, 15, 45, 101, 303, 505, 909, 1515, 4545, 6217, 18651, 31085, 55953, 93255, 279765, 627917, 1883751, 3139585, 5651253, 9418755, 28256265]

約数ペア:

[(1, 28256265), (3, 9418755), (5, 5651253), (9, 3139585), (15, 1883751), (45, 627917), (101, 279765), (303, 93255), (505, 55953), (909, 31085), (1515, 18651), (4545, 6217)]