217322399

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{33347}}^1$

素因数の和:33387

約数の個数: 16

約数和(自身を含む): 266784000

約数和(自身を除く): 49461601

約数列:

[1, 7, 19, 49, 133, 343, 931, 6517, 33347, 233429, 633593, 1634003, 4435151, 11438021, 31046057, 217322399]

約数ペア:

[(1, 217322399), (7, 31046057), (19, 11438021), (49, 4435151), (133, 1634003), (343, 633593), (931, 233429), (6517, 33347)]