1806215

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:350

約数の個数: 16

約数和(自身を含む): 2297856

約数和(自身を除く): 491641

約数列:

[1, 5, 31, 43, 155, 215, 271, 1333, 1355, 6665, 8401, 11653, 42005, 58265, 361243, 1806215]

約数ペア:

[(1, 1806215), (5, 361243), (31, 58265), (43, 42005), (155, 11653), (215, 8401), (271, 6665), (1333, 1355)]