13143515

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4877}}^1$

素因数の和:4907

約数の個数: 24

約数和(自身を含む): 20019312

約数和(自身を除く): 6875797

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 4877, 24385, 34139, 53647, 170695, 238973, 268235, 375529, 1194865, 1877645, 2628703, 13143515]

約数ペア:

[(1, 13143515), (5, 2628703), (7, 1877645), (11, 1194865), (35, 375529), (49, 268235), (55, 238973), (77, 170695), (245, 53647), (385, 34139), (539, 24385), (2695, 4877)]