278327349

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{23027}}^1$

素因数の和:23129

約数の個数: 24

約数和(自身を含む): 431084160

約数和(自身を除く): 152756811

約数列:

[1, 3, 9, 17, 51, 79, 153, 237, 711, 1343, 4029, 12087, 23027, 69081, 207243, 391459, 1174377, 1819133, 3523131, 5457399, 16372197, 30925261, 92775783, 278327349]

約数ペア:

[(1, 278327349), (3, 92775783), (9, 30925261), (17, 16372197), (51, 5457399), (79, 3523131), (153, 1819133), (237, 1174377), (711, 391459), (1343, 207243), (4029, 69081), (12087, 23027)]