13239215

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:383

約数の個数: 24

約数和(自身を含む): 17747520

約数和(自身を除く): 4508305

約数列:

[1, 5, 11, 55, 79, 121, 277, 395, 605, 869, 1385, 3047, 4345, 9559, 15235, 21883, 33517, 47795, 109415, 167585, 240713, 1203565, 2647843, 13239215]

約数ペア:

[(1, 13239215), (5, 2647843), (11, 1203565), (55, 240713), (79, 167585), (121, 109415), (277, 47795), (395, 33517), (605, 21883), (869, 15235), (1385, 9559), (3047, 4345)]