28664145

素因数分解:

$3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1879}}^1$

素因数の和:2006

約数の個数: 32

約数和(自身を含む): 51436800

約数和(自身を除く): 22772655

約数列:

[1, 3, 5, 9, 15, 27, 45, 113, 135, 339, 565, 1017, 1695, 1879, 3051, 5085, 5637, 9395, 15255, 16911, 28185, 50733, 84555, 212327, 253665, 636981, 1061635, 1910943, 3184905, 5732829, 9554715, 28664145]

約数ペア:

[(1, 28664145), (3, 9554715), (5, 5732829), (9, 3184905), (15, 1910943), (27, 1061635), (45, 636981), (113, 253665), (135, 212327), (339, 84555), (565, 50733), (1017, 28185), (1695, 16911), (1879, 15255), (3051, 9395), (5085, 5637)]