31139415

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{5051}}^1$

素因数の和:5199

約数の個数: 24

約数和(自身を含む): 54379728

約数和(自身を除く): 23240313

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 685, 1233, 2055, 5051, 6165, 15153, 25255, 45459, 75765, 227295, 691987, 2075961, 3459935, 6227883, 10379805, 31139415]

約数ペア:

[(1, 31139415), (3, 10379805), (5, 6227883), (9, 3459935), (15, 2075961), (45, 691987), (137, 227295), (411, 75765), (685, 45459), (1233, 25255), (2055, 15153), (5051, 6165)]