127978326

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{338567}}^1$

素因数の和:338585

約数の個数: 32

約数和(自身を含む): 325025280

約数和(自身を除く): 197046954

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 338567, 677134, 1015701, 2031402, 2369969, 3047103, 4739938, 6094206, 7109907, 9141309, 14219814, 18282618, 21329721, 42659442, 63989163, 127978326]

約数ペア:

[(1, 127978326), (2, 63989163), (3, 42659442), (6, 21329721), (7, 18282618), (9, 14219814), (14, 9141309), (18, 7109907), (21, 6094206), (27, 4739938), (42, 3047103), (54, 2369969), (63, 2031402), (126, 1015701), (189, 677134), (378, 338567)]