243978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:206

約数の個数: 32

約数和(自身を含む): 576384

約数和(自身を除く): 332406

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 157, 222, 259, 314, 471, 518, 777, 942, 1099, 1554, 2198, 3297, 5809, 6594, 11618, 17427, 34854, 40663, 81326, 121989, 243978]

約数ペア:

[(1, 243978), (2, 121989), (3, 81326), (6, 40663), (7, 34854), (14, 17427), (21, 11618), (37, 6594), (42, 5809), (74, 3297), (111, 2198), (157, 1554), (222, 1099), (259, 942), (314, 777), (471, 518)]