13243893

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 20415360

約数和(自身を除く): 7171467

約数列:

[1, 3, 13, 19, 39, 57, 61, 183, 247, 293, 741, 793, 879, 1159, 2379, 3477, 3809, 5567, 11427, 15067, 16701, 17873, 45201, 53619, 72371, 217113, 232349, 339587, 697047, 1018761, 4414631, 13243893]

約数ペア:

[(1, 13243893), (3, 4414631), (13, 1018761), (19, 697047), (39, 339587), (57, 232349), (61, 217113), (183, 72371), (247, 53619), (293, 45201), (741, 17873), (793, 16701), (879, 15067), (1159, 11427), (2379, 5567), (3477, 3809)]