209212038

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{553471}}^1$

素因数の和:553489

約数の個数: 32

約数和(自身を含む): 531333120

約数和(自身を除く): 322121082

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 553471, 1106942, 1660413, 3320826, 3874297, 4981239, 7748594, 9962478, 11622891, 14943717, 23245782, 29887434, 34868673, 69737346, 104606019, 209212038]

約数ペア:

[(1, 209212038), (2, 104606019), (3, 69737346), (6, 34868673), (7, 29887434), (9, 23245782), (14, 14943717), (18, 11622891), (21, 9962478), (27, 7748594), (42, 4981239), (54, 3874297), (63, 3320826), (126, 1660413), (189, 1106942), (378, 553471)]