64971543

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{18307}}^1$

素因数の和:18343

約数の個数: 24

約数和(自身を含む): 107211648

約数和(自身を除く): 42240105

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 18307, 54921, 128149, 237991, 384447, 713973, 1665937, 3093883, 4997811, 9281649, 21657181, 64971543]

約数ペア:

[(1, 64971543), (3, 21657181), (7, 9281649), (13, 4997811), (21, 3093883), (39, 1665937), (91, 713973), (169, 384447), (273, 237991), (507, 128149), (1183, 54921), (3549, 18307)]