31440225

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{24659}}^1$

素因数の和:24689

約数の個数: 24

約数和(自身を含む): 55041120

約数和(自身を除く): 23600895

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 24659, 73977, 123295, 369885, 419203, 616475, 1257609, 1849425, 2096015, 6288045, 10480075, 31440225]

約数ペア:

[(1, 31440225), (3, 10480075), (5, 6288045), (15, 2096015), (17, 1849425), (25, 1257609), (51, 616475), (75, 419203), (85, 369885), (255, 123295), (425, 73977), (1275, 24659)]