28431225

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{7433}}^1$

素因数の和:7466

約数の個数: 36

約数和(自身を含む): 53926236

約数和(自身を除く): 25495011

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 7433, 22299, 37165, 66897, 111495, 126361, 185825, 334485, 379083, 557475, 631805, 1137249, 1672425, 1895415, 3159025, 5686245, 9477075, 28431225]

約数ペア:

[(1, 28431225), (3, 9477075), (5, 5686245), (9, 3159025), (15, 1895415), (17, 1672425), (25, 1137249), (45, 631805), (51, 557475), (75, 379083), (85, 334485), (153, 185825), (225, 126361), (255, 111495), (425, 66897), (765, 37165), (1275, 22299), (3825, 7433)]