215320413

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{6173}}^1$

素因数の和:6345

約数の個数: 32

約数和(自身を含む): 360364032

約数和(自身を除く): 145043619

約数列:

[1, 3, 7, 11, 21, 33, 77, 151, 231, 453, 1057, 1661, 3171, 4983, 6173, 11627, 18519, 34881, 43211, 67903, 129633, 203709, 475321, 932123, 1425963, 2796369, 6524861, 10253353, 19574583, 30760059, 71773471, 215320413]

約数ペア:

[(1, 215320413), (3, 71773471), (7, 30760059), (11, 19574583), (21, 10253353), (33, 6524861), (77, 2796369), (151, 1425963), (231, 932123), (453, 475321), (1057, 203709), (1661, 129633), (3171, 67903), (4983, 43211), (6173, 34881), (11627, 18519)]