142788513

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{1447}}^1$

素因数の和:1621

約数の個数: 32

約数和(自身を含む): 225378304

約数和(自身を除く): 82589791

約数列:

[1, 3, 7, 21, 37, 111, 127, 259, 381, 777, 889, 1447, 2667, 4341, 4699, 10129, 14097, 30387, 32893, 53539, 98679, 160617, 183769, 374773, 551307, 1124319, 1286383, 3859149, 6799453, 20398359, 47596171, 142788513]

約数ペア:

[(1, 142788513), (3, 47596171), (7, 20398359), (21, 6799453), (37, 3859149), (111, 1286383), (127, 1124319), (259, 551307), (381, 374773), (777, 183769), (889, 160617), (1447, 98679), (2667, 53539), (4341, 32893), (4699, 30387), (10129, 14097)]