28771605

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3739}}^1$

素因数の和:3775

約数の個数: 40

約数和(自身を含む): 54304800

約数和(自身を除く): 25533195

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2565, 3739, 7695, 11217, 18695, 33651, 56085, 71041, 100953, 168255, 213123, 302859, 355205, 504765, 639369, 1065615, 1514295, 1918107, 3196845, 5754321, 9590535, 28771605]

約数ペア:

[(1, 28771605), (3, 9590535), (5, 5754321), (9, 3196845), (15, 1918107), (19, 1514295), (27, 1065615), (45, 639369), (57, 504765), (81, 355205), (95, 302859), (135, 213123), (171, 168255), (285, 100953), (405, 71041), (513, 56085), (855, 33651), (1539, 18695), (2565, 11217), (3739, 7695)]