254394

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{673}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 647040

約数和(自身を除く): 392646

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 673, 1346, 2019, 4038, 4711, 6057, 9422, 12114, 14133, 18171, 28266, 36342, 42399, 84798, 127197, 254394]

約数ペア:

[(1, 254394), (2, 127197), (3, 84798), (6, 42399), (7, 36342), (9, 28266), (14, 18171), (18, 14133), (21, 12114), (27, 9422), (42, 6057), (54, 4711), (63, 4038), (126, 2019), (189, 1346), (378, 673)]