243747

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:139

約数の個数: 24

約数和(自身を含む): 415584

約数和(自身を除く): 171837

約数列:

[1, 3, 7, 9, 21, 53, 63, 73, 159, 219, 371, 477, 511, 657, 1113, 1533, 3339, 3869, 4599, 11607, 27083, 34821, 81249, 243747]

約数ペア:

[(1, 243747), (3, 81249), (7, 34821), (9, 27083), (21, 11607), (53, 4599), (63, 3869), (73, 3339), (159, 1533), (219, 1113), (371, 657), (477, 511)]