211345797

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{1279}}^1$

素因数の和:1537

約数の個数: 32

約数和(自身を含む): 321126400

約数和(自身を除く): 109780603

約数列:

[1, 3, 13, 19, 39, 57, 223, 247, 669, 741, 1279, 2899, 3837, 4237, 8697, 12711, 16627, 24301, 49881, 55081, 72903, 165243, 285217, 315913, 855651, 947739, 3707821, 5419123, 11123463, 16257369, 70448599, 211345797]

約数ペア:

[(1, 211345797), (3, 70448599), (13, 16257369), (19, 11123463), (39, 5419123), (57, 3707821), (223, 947739), (247, 855651), (669, 315913), (741, 285217), (1279, 165243), (2899, 72903), (3837, 55081), (4237, 49881), (8697, 24301), (12711, 16627)]