156729321

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 267636096

約数和(自身を除く): 110906775

約数列:

[1, 3, 7, 9, 21, 53, 63, 73, 159, 219, 371, 477, 511, 643, 657, 1113, 1533, 1929, 3339, 3869, 4501, 4599, 5787, 11607, 13503, 27083, 34079, 34821, 40509, 46939, 81249, 102237, 140817, 238553, 243747, 306711, 328573, 422451, 715659, 985719, 2146977, 2487767, 2957157, 7463301, 17414369, 22389903, 52243107, 156729321]

約数ペア:

[(1, 156729321), (3, 52243107), (7, 22389903), (9, 17414369), (21, 7463301), (53, 2957157), (63, 2487767), (73, 2146977), (159, 985719), (219, 715659), (371, 422451), (477, 328573), (511, 306711), (643, 243747), (657, 238553), (1113, 140817), (1533, 102237), (1929, 81249), (3339, 46939), (3869, 40509), (4501, 34821), (4599, 34079), (5787, 27083), (11607, 13503)]