7990542

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{21139}}^1$

素因数の和:21157

約数の個数: 32

約数和(自身を含む): 20294400

約数和(自身を除く): 12303858

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 21139, 42278, 63417, 126834, 147973, 190251, 295946, 380502, 443919, 570753, 887838, 1141506, 1331757, 2663514, 3995271, 7990542]

約数ペア:

[(1, 7990542), (2, 3995271), (3, 2663514), (6, 1331757), (7, 1141506), (9, 887838), (14, 570753), (18, 443919), (21, 380502), (27, 295946), (42, 190251), (54, 147973), (63, 126834), (126, 63417), (189, 42278), (378, 21139)]