643669263

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{439}}^1\times {\mathrm{1613}}^1$

素因数の和:2159

約数の個数: 24

約数和(自身を含む): 941672160

約数和(自身を除く): 298002897

約数列:

[1, 3, 9, 101, 303, 439, 909, 1317, 1613, 3951, 4839, 14517, 44339, 133017, 162913, 399051, 488739, 708107, 1466217, 2124321, 6372963, 71518807, 214556421, 643669263]

約数ペア:

[(1, 643669263), (3, 214556421), (9, 71518807), (101, 6372963), (303, 2124321), (439, 1466217), (909, 708107), (1317, 488739), (1613, 399051), (3951, 162913), (4839, 133017), (14517, 44339)]