28103610129

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{78721597}}^1$

素因数の和:78721624

約数の個数: 16

約数和(自身を含む): 45343640448

約数和(自身を除く): 17240030319

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 78721597, 236164791, 551051179, 1338267149, 1653153537, 4014801447, 9367870043, 28103610129]

約数ペア:

[(1, 28103610129), (3, 9367870043), (7, 4014801447), (17, 1653153537), (21, 1338267149), (51, 551051179), (119, 236164791), (357, 78721597)]