7971642

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{21089}}^1$

素因数の和:21107

約数の個数: 32

約数和(自身を含む): 20246400

約数和(自身を除く): 12274758

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 21089, 42178, 63267, 126534, 147623, 189801, 295246, 379602, 442869, 569403, 885738, 1138806, 1328607, 2657214, 3985821, 7971642]

約数ペア:

[(1, 7971642), (2, 3985821), (3, 2657214), (6, 1328607), (7, 1138806), (9, 885738), (14, 569403), (18, 442869), (21, 379602), (27, 295246), (42, 189801), (54, 147623), (63, 126534), (126, 63267), (189, 42178), (378, 21089)]