28762455

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 47278080

約数和(自身を除く): 18515625

約数列:

[1, 3, 5, 15, 71, 113, 213, 239, 339, 355, 565, 717, 1065, 1195, 1695, 3585, 8023, 16969, 24069, 27007, 40115, 50907, 81021, 84845, 120345, 135035, 254535, 405105, 1917497, 5752491, 9587485, 28762455]

約数ペア:

[(1, 28762455), (3, 9587485), (5, 5752491), (15, 1917497), (71, 405105), (113, 254535), (213, 135035), (239, 120345), (339, 84845), (355, 81021), (565, 50907), (717, 40115), (1065, 27007), (1195, 24069), (1695, 16969), (3585, 8023)]