13503721

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:285

約数の個数: 24

約数和(自身を含む): 17236800

約数和(自身を除く): 3733079

約数列:

[1, 7, 11, 77, 107, 121, 149, 749, 847, 1043, 1177, 1639, 8239, 11473, 12947, 15943, 18029, 90629, 111601, 126203, 175373, 1227611, 1929103, 13503721]

約数ペア:

[(1, 13503721), (7, 1929103), (11, 1227611), (77, 175373), (107, 126203), (121, 111601), (149, 90629), (749, 18029), (847, 15943), (1043, 12947), (1177, 11473), (1639, 8239)]