31415671989

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2081473}}^1$

素因数の和:2081538

約数の個数: 32

約数和(自身を含む): 51287519360

約数和(自身を除く): 19871847371

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 351, 387, 559, 1161, 1677, 5031, 15093, 2081473, 6244419, 18733257, 27059149, 56199771, 81177447, 89503339, 243532341, 268510017, 730597023, 805530051, 1163543407, 2416590153, 3490630221, 10471890663, 31415671989]

約数ペア:

[(1, 31415671989), (3, 10471890663), (9, 3490630221), (13, 2416590153), (27, 1163543407), (39, 805530051), (43, 730597023), (117, 268510017), (129, 243532341), (351, 89503339), (387, 81177447), (559, 56199771), (1161, 27059149), (1677, 18733257), (5031, 6244419), (15093, 2081473)]